Saturday

November 28, 2015
**Algebra 1 (Reiny or Kuai)**

1. Graph each equation. Tell whether the equation represents a function. a. y = (x - 2)^2 - 1 b. x + y = 6 c. y = |x| -3 d. y = x^2 + 1 How am I supposed to graph these? 2. For each function, determine whether the given points are on the graph. a. y = 7x - 2; (1, 5) and (2, 10)
*Monday, November 4, 2013 by Anonymous*

**Algebra 1 (Reiny or Kuai)**

1. Determine a relationship between x- and y-values. Write an equation. {(1, -1), ( 2, -2), (3, -3), (4, -4) A: x = -y? 2. How am I supposed to graph y = -x^2 - 7?
*Monday, November 4, 2013 by Anonymous*

**Algebra**

factor these two expressions x^2 +3x-18 5x^2 -7x-6
*Monday, November 4, 2013 by Anonymous*

**Algebra**

factor 25u^2-81
*Monday, November 4, 2013 by Anonymous*

**Algebra**

find the greatest common factor of these expressions 20v^7 u^3 and 16x^6 v^4 u^5
*Monday, November 4, 2013 by Anonymous*

**Algebra 1**

2+11b=8b+15
*Monday, November 4, 2013 by Don*

**college algebra**

Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) ln y = log 9
*Monday, November 4, 2013 by Dee*

**college algebra**

Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) ln y = −0.35
*Monday, November 4, 2013 by Dee*

**algebra 2**

y+2x=5;x=-1,0,3
*Monday, November 4, 2013 by herman*

**ALGEBRA**

Why is it impossible to combine the expression radical 3x + 3^ radical 3x into a single term? Explain. (I'm having a real tough time with this one, can anyone here explain this to me? Thank you!)
*Monday, November 4, 2013 by College Student*

**college Algebra**

Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) ln y = −0.35
*Monday, November 4, 2013 by Dee*

**college Algebra**

Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) ln y = log 9
*Monday, November 4, 2013 by Dee*

**college Algebra**

Use a calculator to help solve the problem. The life expectancy of white females can be estimated by using the function = 78.5(1.001)x, where x is the current age. Find the life expectancy of a white female who is currently 50 years old. Give the answer to the nearest tenth. L...
*Monday, November 4, 2013 by Dee*

**Algebra 1 (Reiny or Kuai)**

Determine a relationship between x- and y-values. Write an equation. {(1, -1), ( 2, -2), (3, -3), (4, -4)
*Monday, November 4, 2013 by Anonymous*

**Algebra 1 (Reiny or Kuai)**

How do I graph y = -x squared + 5?
*Monday, November 4, 2013 by Anonymous*

**college algebra**

Use a calculator to help solve the problem. The intensity I of light (in lumens) at a distance x meters below the surface is given by I = I0 k x, where I0 is the intensity at the surface and k depends on the clarity of the water. At one location in the Atlantic ...
*Monday, November 4, 2013 by Dee*

**College Algebra**

Use a calculator to help solve the problem. One isotope of holmium, 162Ho, has a half life of 22 minutes. The half-life of a second isotope, 164Ho, is 37 minutes. Starting with a sample containing equal amounts, find the ratio of the amounts of 162Ho to 164Ho after two hours...
*Monday, November 4, 2013 by Dee*

**Algebra (Pythagorean Theorem)**

Ahmed has half of a treasure map. which indicates that the treasure is buried in the desert 2x + 6 paces from castle rock. Vanessa has the other half of the map. Her half indicates that to find the treasure one must get to castle rock walk x paces to the north and then walk 2x...
*Monday, November 4, 2013 by Tracy*

**Algebra**

This is a Pythagorean Theorem x^2 + (2x + 4)^2 = (2x + 6)^2
*Monday, November 4, 2013 by Tracy*

**algebra**

An archer releases an arrow at shoulder height. â€¢ Measure the distance from the fl oor to your shoulder when you are standing. Suppose you release an arrow and it hits the target at a point 5 ft above the ground. Sketch a possible parabolic path of your arrow...
*Monday, November 4, 2013 by shannon*

**Patterns and nonlinear functions(Algebra 1)**

The ordered pairs (1,1), (2,8),(3,27),(4,64), and (5,125) represent a function. What is a rule that represents this function? (1 point) Y=x Y=4x Y=x^2*** Y=x^3 Reiny, Steve, Ms.Sue… is this correct or is it not?
*Monday, November 4, 2013 by Gabby*

**Algebra**

The maximum velocity of a roller coaster depends on the vertical drop from the top of the highest hill to the bottom of that hill. The formula:V(h)=√h-2 , gives the relationship between maximum velocity, V(h) in feet per second, and height, h in feet. 1. Identity the ...
*Sunday, November 3, 2013 by Dele*

**Algebra**

The maximum velocity of a roller coaster depends on the vertical drop from the top of the highest hill to the bottom of that hill. The formula:V(h)=sqrt(h-2) , gives the relationship between maximum velocity, V(h) in feet per second, and height, h in feet. 1. Identity the ...
*Sunday, November 3, 2013 by Dele*

**Algebra 1**

Find the y-intercept of the two coordinates ( 2, -5) and ( 6, 3). Please help me with this question and please explain to me and show me how to find Each step to solving the y- intercept. Thank you 😄
*Sunday, November 3, 2013 by Lucy*

**algebra**

Train A leaves a station traveling at 80km/h. Two hours later, train B leaves the same direction at 90km/h. How long does it take train B to catch up to train A?
*Sunday, November 3, 2013 by Kirsten*

**Algebra**

-2 |h-7|= -28
*Sunday, November 3, 2013 by John*

**algebra**

last one write an equation of the line that passess through 10,-4 and is perpendicular to the line whose equation is y=2/5x+8 help
*Sunday, November 3, 2013 by hannah*

**algebra**

find an equation of the line that passess throught 0.-6 amd 5, 3
*Sunday, November 3, 2013 by hannah*

**algebra**

wtite an equatiom of the line through 5,-3 and -2 and -8 in slope intercept form
*Sunday, November 3, 2013 by hannah*

**algebra**

one line paasses thru -3,-2 and -2,1 and another line passes thru -1,2 and 2,1 what is the relationship between the lines are they parrelle, perpendicular, or neither?
*Sunday, November 3, 2013 by hannah*

**algebra**

In a line with a slope of 1/2 a perpendicular to another line, the the slope of the is -2 true or false
*Saturday, November 2, 2013 by hannah*

**algebra 2**

by 10 there are 25 people admitted to a park by 11 there are 50 what would a slope of zero between 2 consecutive hours mean and can the line between 2 consecutive numbers have a negative slope
*Saturday, November 2, 2013 by hannah*

**algebra**

examples of distant formula
*Saturday, November 2, 2013 by justme*

**Algebra**

Please help solve what e =? 21E − 7 = 0
*Saturday, November 2, 2013 by Anonymous*

**Algebra 2 @ Steve**

I have another question regarding functions, but instead if you are adding up functions that are in a radical. f(x) and g(x) are both square root of x+5. To find the domain of f+g, f-g, fg, and f/g, would I find the domain of each function...[-5,infinity)? And then what? How ...
*Saturday, November 2, 2013 by Serena*

**Algebra 2**

f(x) = x^2 + 2 g(x) = 2x^2 - 1 Find the domain of f+g, f-g, fg, and f/g Can someone please explain to me how you would do this problem?
*Saturday, November 2, 2013 by Serena*

**College algebra**

-I need help solving this 72/(-4)+3(-4) _________ 5-(-5)
*Saturday, November 2, 2013 by angela*

**Math-Algebra**

4-3| m+2 |>-14 The answer shows -8 < m < 4, but I am not getting it. Could someone please explain?
*Friday, November 1, 2013 by Anonymous*

**intermediate algebra**

factor 192x*3-3
*Friday, November 1, 2013 by leeanne*

**algebra 1**

Find C intersection D. C: {3, 6, 9, 12, 15, 18} D: {numbers divisible by 2 from 1 to 20} {2, 4, 6, 8, 10, 12, 14, 16, 18, 20} {6, 12, 18} {2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20} { } I really think its the second one but im so confused.
*Friday, November 1, 2013 by ty*

**algebra**

A car travels down the highway at speeds between 50 miles per hour and 65 miles per hour. If the car travels for 4 hours, write an expression that represents the distance, d, the car has travelled.
*Friday, November 1, 2013 by lala*

**algebra 2**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
*Friday, November 1, 2013 by hannah*

**algebra 2**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
*Friday, November 1, 2013 by hannah*

**Algebra**

Help I'm stuck I need to factor a trinomial expression using the AC method 15x^2 + 31x + 2
*Friday, November 1, 2013 by Tracy*

**Algebra**

I need to know how to factor these in A-C method form 2a^2+1+3a 9w-w^3
*Thursday, October 31, 2013 by Tracy*

**Algebra 1**

Can someone help me I really don't get this one The table shows the number of trolley buses in operation in the United States during certain years. Describe the rates of change in the number of buses during the time period. (Table) Year 1980 1985 1990 1995 2000 Number 823 ...
*Thursday, October 31, 2013 by KATIE*

**Algebra (factoring Polynomials)**

9w-w^3 2a^2+1+3a
*Thursday, October 31, 2013 by Tracy*

**algebra**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
*Thursday, October 31, 2013 by hannah*

**algebra 2**

the 2 unequalities -26<4k-2 and 2k-1<6 A. Write a compound inequality to combine the inequalities shown previously. and B. Solve the compound inequality for values of k. Show your work. Write your final answer as one inequality. please help
*Thursday, October 31, 2013 by hannah*

**algebra**

A triangle has points A(2, 2), B(2, 4), and C(6, 3) and is reflected over the x-axis. A'B'C' are the coordinates of the reflected image. What is the B' coordinate
*Thursday, October 31, 2013 by shannon*

**Algebra 2**

u sub 18 if u sub0= 2/3n+3/4 please help
*Thursday, October 31, 2013 by Chandler *

**Algebra**

Please help. This is my problem. Today the center City baseball team scored 10 runs . The day before yesterday they scored x. How many runs did they score in these two days.
*Thursday, October 31, 2013 by Sydney santillan *

**algebra**

3x-4z=2w
*Thursday, October 31, 2013 by Anonymous*

**Algebra 1**

Can Someone Check My Answer The table shows the amount of money (in dollars) spent by a household on plants and flowers for certain years. Describe the rates of change in the number of dollars spent during the time period. Year 2001 2002 2003 2004 2005 Amount 127 134 139 137 ...
*Wednesday, October 30, 2013 by Mary*

**Algebra**

how would you solve these two equations. ln x + ln(x+1)=1 ln(x+5) = ln(x-1) - ln(x+1)
*Wednesday, October 30, 2013 by Kyle*

**algebra solving log equations**

n sqrt(x-8)= 5 I would like help to solve this what i did was to take away the square root i squared both sides coming up with (ln sqrt(x-8))^2= (5)^2 ln(x-8)=25 am i alowed to do this with ln in the equation? then i subtract 8 from both sides ln x = 17 e^(ln x)= e^17 e ...
*Wednesday, October 30, 2013 by Marcos*

**ALGEBRA 2 help please would appreciate **

for the equation -4x-8y^2=0,give the focus and directrix.then sketch the graph, showing both the focus and the directrix. please show all the step thank you.
*Wednesday, October 30, 2013 by lisa*

**Algebra 1 Question (Kuai)**

How do I graph y = 2x squared -7?
*Wednesday, October 30, 2013 by Anonymous*

**alGEBRA 2 help please would appreciate **

for the equation -4x-8y^2=0,give the focus and directrix.then sketch the graph, showing both the focus and the directrix. please show all the step thank you.
*Wednesday, October 30, 2013 by lisa*

**3 Inequality questions, (Algebra 1)**

1) -2/5x-9<9/10 2) 4x+6<-6 3) q+12-2(q-22)>0 plz help me with these inequalities, I have already done 27 other questions like them.
*Wednesday, October 30, 2013 by Gabby*

**Algebra 1 Question**

How do I graph y = 2x squared -7?
*Wednesday, October 30, 2013 by Anonymous*

**algebra**

The sample size needed to estimate the difference between two population proportions to within a margin of error E with a confidence level of 1- alpha can be found by using the equation shown below. Replace n1 and n2 by n and solve for n. E= z alpha/2 square root p1q1/n1 + ...
*Wednesday, October 30, 2013 by Mario*

**Algebra 1 Question**

How do I graph x + y = 0?
*Wednesday, October 30, 2013 by Anonymous*

**Algebra 2**

Evaluate the determinant of each matrix. 1 2 3 3 1 0 1 2 1
*Wednesday, October 30, 2013 by Anonymous*

**Algebra**

How do I solve for the roots of this quadratic equation: 3x^2-7x ---------=3 2
*Wednesday, October 30, 2013 by Karli*

**algebra**

How do i solve an equation when there is a variable on both side of = and the two constants are equal x-16 = 16-2x 7-2x = 2x-7 The answer in both cases seems to = 0
*Wednesday, October 30, 2013 by Bob*

**algebra 2**

A garden supply store sells two types of lawn mowers. The cashiers kept a tally chart for the total number of mowers sold. They tallied 30 mowers sold. Total sales of mowers for the year were $8379.70. The small mowers cost $249.99 and the large mowers cost $329.99. Find the ...
*Tuesday, October 29, 2013 by hannah*

**Algebra**

How do you write an algebraic expression for five friends went to a baseball game. Three of the friends each bought a ticket for x dollars and a soda for $6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money...
*Tuesday, October 29, 2013 by Gabe*

**Algebra 1**

Find the x-intercept of the graph of the equation. 9x-4y=10 Is the answer: 10/9
*Tuesday, October 29, 2013 by Mary*

**algebra 2 part 1**

find the points of intersection of f(x)=3x-5 and g(x)=-4+9
*Tuesday, October 29, 2013 by Alexis*

**algebra**

On his midterm exam, Jimmy scored 75 points, which was exactly 2 standard deviations above the mean. If the standard deviation for the test is 4, what is the mean for the test?
*Tuesday, October 29, 2013 by Diandra*

**algebra 2**

You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money in...
*Tuesday, October 29, 2013 by hannah*

**algebra 2**

A garden supply store sells two types of lawn mowers. The cashiers kept a tally chart for the total number of mowers sold. They tallied 30 mowers sold. Total sales of mowers for the year were $8379.70. The small mowers cost $249.99 and the large mowers cost $329.99. Find the ...
*Tuesday, October 29, 2013 by hannah*

**ALGEBRA**

One-ninth of Polymer Plastics’ sales are made in New England. If New England sales amount to $600,000, what are the total sales of the company?
*Tuesday, October 29, 2013 by Anonymous*

**algebra 2**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
*Tuesday, October 29, 2013 by hannah*

**algebra**

consider the following sets. A={13} B={10+13} C={10,3} D={2^5} E={2,5}
*Tuesday, October 29, 2013 by Anonymous*

**Algebra 1--Please, help me! This is urgent! **

Solve each equation. 1). 4/5y + 1/3 <= -y 2.) 4/5h => -2
*Tuesday, October 29, 2013 by Anonymous*

**algebra**

Write the quadratic function in vertex form: f(x)=
*Tuesday, October 29, 2013 by Anonymous*

**algebra/math**

A jacket costs $89.25 with 5% sales tax..what was the original price?
*Tuesday, October 29, 2013 by syd*

**Algebra 2**

If the point P is on the graph of a function f, find the corresponding point on the graph of a given function. P (0,5) y = f ( x + 2 ) - 1
*Monday, October 28, 2013 by Serena*

**Algebra 1 (Reiny) **

1). Describe the solutions of 1/3x => 2 in words. A: The solutions of 1/3x => 2 are all real numbers greater than or equal to 2? 2). Citizens less than 18 years old are not allowed to vote. Define a variable and write an inequality for the ages of citizens who are not ...
*Monday, October 28, 2013 by Anonymous*

**Algebra 2**

Make up an equation that satisfies the given conditions: must have x-intercepts at (1,0) and (2,0). It must also have a y-intercept at (0,4). How do you factor the y-intercept?
*Monday, October 28, 2013 by Joy*

**Algebra 2**

These 3 equations all describe the same quadratic function. What are the coordinates of the following points on the graph of the function? From which equation is each point most easily determined? y = (x - 5) (x + 1) y = x^2 - 4x - 5 y = (x - 2) ^2 - 9 X-intercept, what are ...
*Monday, October 28, 2013 by Joy*

**Algebra 2**

Can you please explain how to set up the equation? A city council is proposing a new skyline ordinance. It would require the setback S for any building from the residence to be a minimum of 100 feet, plus an additional 6 feet for each foot of height above 25 feet. Find a ...
*Monday, October 28, 2013 by Serena*

**Algebra 1 (Ms. Sue or Steve or Reiny)**

Solve each inequality. 1). |z -6| + 8 > 5 A: No solution? 2). 2|x -3| <= 4 A: 1 <= x <= 5
*Monday, October 28, 2013 by Anonymous*

**Algebra 1 (Ms. Sue or Steve or Reiny) **

I cannot solve these, no matter how much I have desperately tried. I must complete this quickly! Can anyone assist me, please? 1. A store manager is accepting applications for part-time workers. He can hire no more than 14 people. So far, he has hired 9 people. Write and solve...
*Monday, October 28, 2013 by Anonymous*

**alGEBRA 2 help please would appreciate **

graph 36x^2-900=25y^2 show the step please
*Monday, October 28, 2013 by lisa*

**Algebra**

(-9x^3 + 3x^2 -15x)divided by (-3x) Find the quotient
*Monday, October 28, 2013 by Tracy*

**alGEBRA 2 help please would appreciate **

find the foci of 9x^2-25y^2=225 I get this far a^2=5 and B^2=3 AND I KNOW I HAVE TO USE THE formula c^2=a^2-b^2 i don't know what to do now if add it i get c^2=34 please help show the step thanks
*Monday, October 28, 2013 by lisa*

**Algebra 1**

4. Two consultants were hired by a company. The total consultant fees were $18,500. If one consultant had earned $500 less, each consultant would have been paid the same. How much was each consultant paid? 6. Five cars in a race all finished within 8 seconds of each other. Car...
*Monday, October 28, 2013 by CJ*

**algebra**

find the quotient (-9x^2 + 3x^2- 15x) - (-3x)
*Monday, October 28, 2013 by Tracy*

**Algebra 1 Equation **

-a + 8 < -2 OR -3a >-9
*Monday, October 28, 2013 by Anonymous*

**Algebra 1---Urgent! Please, help me!**

1. A store manager is accepting applications for part-time workers. He can hire no more than 14 people. So far, he has hired 9 people. Write and solve an inequality to determine how many more people the manager can hire. 2. 4/5h => -2 3. A designer is creating shirts that ...
*Monday, October 28, 2013 by Anonymous*

**Algebra**

a car repair shop charge $80 per hour for labor and $210 for the parts of a car . if the total cost of repair for the car was $490 , how many hours did it take ro repair the car ?
*Monday, October 28, 2013 by John*

**Algebra**

P dollars is invested at annual interest rate r for 1year If the interest is compounded semiannually then the polynomial P(1+r/2)^2 represents the value of the investment after 1 year. rewrite the expressions without parentheses evaluate the polynomial if P=5670 and r=3.5%
*Monday, October 28, 2013 by Tracy*

**Algebra**

The formula B=30a is used in New England to estimate the minimum furnace output, B, in BTU's for a modern house with the amount of square feet of flooring, a a. determine the minimum furnace output for a 2000 ft2 modern house b. solve the formula for a What is the minimum ...
*Monday, October 28, 2013 by Jackie*

**College Algebra**

A bank credit card charges interest at the rate of 23% per year, compounded monthly. If a senior in college charges $1,700 to pay for college expenses, and intends to pay it in one year, what will she have to pay?
*Monday, October 28, 2013 by Dee*

**Algebra**

I have two questions dealing with financial polynomials. $6780 compounding 2.5%interest once a year yields? in interest 5760 compounding 3.5 interest once a year yields? in interest
*Monday, October 28, 2013 by Tracy*

**algebra 1**

write the equation in standard form. Y + 1 = X + 2
*Monday, October 28, 2013 by A*

**algebra 2**

Ms. Tweed earns $12 an hour. Deductions for taxes and insurance take 25 percent of her earnings. Which equation could be solved to find Ms. Tweed’s take-home pay, p, after 80 hours of work?
*Sunday, October 27, 2013 by hannah*