Pre-Calculus Algebra

61,773 results

Question

@Alex asked this question when I was on earlier: Let line l_1 be the graph of 5x + 8y = -9. Line l_2 is perpendicular to line l_1 and passes through the point (10,10). If line l_2 is the graph of the equation y=mx +b, then find m+b. I'm wondering like how everyone did it and ...

Pre-Calculus/Calculus

I am too embarassed to ask this Calculus (really pre-calculus) question in tutoring, because I know I should know. Is the inverse of f(x)=3x-1 actually f(x)=1/3x+1? How do I find it? What if it asks the same equation replaced with f to the -1 power (x)? I think I know how the ...

Pre Calculus

Pre Calculus why is sin(-20)/cos 380 equal to tan (-200)

Finite Math

Fifty percent of students enrolled in calculus class have previously taken pre-calculus. Thirty percent of these students received an A for the calculus class, whereas twenty percent of the other students received an A for calculus. Find the probability that a student selected...

Pre-Calculus

I am in Honors Pre-Calculus and am having a hard time understanding my teacher. I feel so stupid. Does anyone have any suggestions on a website that might give me some insight into what I am doing wrong? Thanks!

pre-algebra

kk my teach told me to describe and draw things that are about pre-algebra and she told me to write what pre-algebra is... so can anyone help me??

pre calc

A math teacher uses four algebra books, two geometry books, and three pre-calculus books for reference. In how many ways can the teacher arrange the books on the shelf if books coiver the same subject matter are kept together?

College Algebra/pre-calculus

Find the domain (This in fraction form) f(x)=x+3 x^2-4 f(x)= (This is in Radical:2-5x) Any help, thank you!

pre- algebra(MATH)

I need help with pre-algebra solving equations by multiplying or dividing. Can you help me with this homework for free?

Pre-Algebra

How do you solve this Pre-Algebra problem: $1.25x + $2.25y = $916 x + y = 560

pre-Algebra

Sorry, struggling through pre-Algebra .. :-( .. How do i figure out 5x = -20 ?

Algebra

In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. Of ...

pre-algebra

I am actually in 6th grade but I really want to learn more about pre algebra. I was given a task to solve the question of y=9x+3*7 and i don't get what to do. Should I graph? Or solve for y?

Pre-Calculus

I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)

Pre-Calculus

I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)

pre-ap pre calculus

To solve an equation by finding x-intercepts, Cynthia graphed the function y=x^3-5x+|2x-3| Give several possibilities for the original equation. How do I do it and what's the answer? Thanks

what does pre-algebra mean??

i have to draw things that have to do with pre algebra but...i don't understand the meaning of it

math

8. In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra, and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. ...

pre calculus algebra

one number is three less than six times second number. their sum is 32. find the two numbers

pre algebra

my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?

Pre Calculus 12

Im going over my pre calculus 12 exam, and I need help with one question from the chapter Transformations of graphs and stuff. Combining Transformations 2y = f(5x-10)+8 The original points are (4,6) and the new points I got by translating it and stuff are : (14/5,20) But in ...

Algebra

I have a few questions on my Pre- Algebra Pre- test. I am in 7th grade. Anyone willing to help me for a few questions for 5-10 minutes?

pre-algebra

write an inequality for the sentence. The total t is greater than five. Well your answer is going to be T and the sign for greater than is simply >. So the answer would be T > 5 ok again my name is above. i was just wondering what pre-algebra was? i mean i take the ...

Pre-Calculus

Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you

Pre-Algebra: Help

I have to do a webquest for pre-algebra and we have to make up a fundraiser thing, I need a list of things that one needs for a charity fundraiser, such as chairs, buffet tables, tables, tents, tablecloths. HELPP

Pre-Calculus 12

I am refering to the question posted on Tuesday, June 6, 2017 at 8:26pm. "how to graph y= (x^2-3x-10)/(x-2)" This is the reply I got: Pre-Calculus 12 - Damon, Tuesday, June 6, 2017 at 9:21pm (x-5)(x+2)/(x-2) well we know it is 0 at x = 5 and at x = -2 and we know it explodes ...

SHAY

THE MATH QUESTION IS IT ALGEBRA , PRE ALGEBRA' OR GEOMETRY? Quadriatic functions. so algebra i think.

Pre-Calculus - Reiny

Reiny you helped me with this logarithm yesterday: How did you write it out as log2 ( √A / B^3 ) Laws of logarithms combine, write as a single logarithm Need help on this question please, Im stuck, don't know where to go abouts from here: I did it on paint and uploaded ...

pre-calculus

3(4^x)-2^(x+2) = -1

pre calculus

27^8x-3=(1/81)^8x-4 x=?

pre calculus

2n^1/3(n^2/3+n^-1/3)

pre-calculus

what is the F-^1 of 6/x+4

pre calculus

(m+3)+5

pre calculus

-2< x < 5 - -

Pre-calculus

2^(x)/(1-2^(x))=3

pre-calculus

(2^(4+pi))/ 2^(1+pi)

pre-calculus

x^3e^x - 4e^x =0

Pre-Calculus

3x^2 + 8 = -4

pre calculus

x^2-3/4x+1/8=0

pre calculus

x^2-3x-7=0

pre calculus

2k^2+5k-9=0

pre calculus

2k^2+5k-9

pre calculus

C=2 x^=8y

Pre Calculus

Formula: a = b = c

Pre Calculus

Formula: a = b = c

Pre calculus

gfk

Pre-Calculus

How do I find xy^-2(xy^2 - 4y^4) ??

Pre-Calculus

How do you factor x^3 - 64?

pre- calculus

simplify 3x+2y/3y

pre calculus

if y = bX, then its inverse is

pre calculus

let f(x)= -x^2 - 1. evaluate f(x)at x=6, -6

pre calculus

what is the vertices of 7x^2+5y^2=35

pre calculus

what is the vertices of (x+1)^2/4+(y+2)^2/25=1 ?

Pre Calculus 1

ln(3x-1) - ln(x+2) = 2ln5

Pre Calculus 1

lnx + ln(x+3) = 2

pre-calculus

What is the domain of (x+2)/(x-2)?

PRE CALCULUS HELP PLEASE

((ln(x))^1/2)/(ln(x^1/2))=6

pre calculus

2x^2+11x-21=0

pre - CALCULUS

Let B = [-1 3 6 -3]. Find -4B. A. [-4 12 24 -12] B. [-3 1 4 -5] C. [4 -12 -24 12] D. [4 3 6 -3] b ?

Pre-Calculus

14cos+7=O

pre calculus

find (a)2v+u, (b)u-3v, and (c)5u-v u=<0,-4>, v=<-2,-8>

pre calculus

find (a)2v+u, (b)u-3v), and (c)5u-v u=<-2,-3> v=<-1,-10>

pre calculus

find (a)2v+u, (b)u-3v), and (c)5u-v. 1.u=i-j, v=6i+9j 2.u=2i+3j, v=-i-2j

pre calculus

solve 2x + y = 8 4x + 2y = 16

Pre-Calculus 12

how to graph y= (x^2-3x-10)/(x-2)

Pre-Calculus 12

how to solve 3^(x-2) = 5^x

Math - Studying for Pre Calc exam!

Approximate the solutions (to three decimal places) of the given equation in the interval (- pi/2, pi/2) 6 sin 2x − 8 cos x + 9 sin x = 6 Can you help with this please? I am studying for my Pre Calculus 1 exam and am stuck on this question...! The answer options are a. x...

Pre-Calculus

How do I find f(g(x)) when there is a radical?

pre calculus

x^2+y ^2+ 4x + 6y - 12 = 0 how do i find the domain?

pre calculus

simplify sin(2 pi/3+x)

Pre-Calculus

2secx= 3cscx

Pre-calculus

x-2/x2-1 This equation is a function or not?

Pre Calculus

FACTOR COMPLETELY 1) x^8-y^8

pre-calculus

tan(1/2)cos^-1(9/10)

Pre-Calculus

is f(x)=9x^(5/3) a power function?

pre calculus

are you an online tutor

Pre-Calculus

Is the period of f(x) = 2cos(3x - ð) 2ð/3?

Pre-calculus

1) What is the equivalent of this? -5x(2x+7y)+7xy-4x(y+3)

Pre-Calculus

How to find domain of: y = -3 + ãx+6

Pre-Calculus

y= ((2-3x^(1/x))/(2+3x^(1/x)) Is the horizontal asymptote y= 1 or y= -1?

Math (pre calculus)

ax+b/cx+d=2 solve for x

Pre-Calculus/Trigonometry

for f(x)= 1/(x^2-3), find: a. f(3) b.f(2+h)

Pre-Calculus/Trigonometry

For f(x)= 1/(x-5) and g(x)= x^2+2, find: a. (f o g)(x) b. (g o f)(6)

pre-calculus

6cos^2(x)-5cos(x)-6

college pre-calculus

if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?

Pre-Calculus

find the inverse of g(x)=(x+7)^3+4

Pre-Calculus

What are the holes of the function f(x) = (x^2 + 3x - 4)/(x^2 + 9x + 20)?

Pre-Calculus

How do I find the domain of K(x) = x(32 - 2x)^2?

Pre-Calculus

Given: u <-1, 7> and v <4, -3> Find: (u • v)(u + v)

Pre-Calculus

What is the absolute value of: 3 - 8i? A. 9 B. 64 C. √55 D. √73

pre calculus

Can you explain how to find (u • v)(u + v) when u <-1, 7> and v <4, -3>

Pre-Calculus 12

2x^3 - 13x^2 + 32x - 13 = 0

Pre calculus- help!

find (gof)(x) when f(x) = √x+1 and g(x) = x^2+3/x

Pre-Calculus/Trivia

csc(theta)= 1/x sec(theta)= 1/ sqrt(1-x^2) cot(theta)= sqrt(1-x^2)/x What are these equations used for in real life matters or in regards to calculus? Can't seem to find the answer anywhere :/

pre- calculus

how do you find the root(s) of the equation x^2+3x-4=0

Pre-calculus

Describe the end behavior of f(x)=2x^4-5x+1.

Pre Calculus

log(log10^10,000)

pre-calculus

Solve this Function: (3x-7)^2 (x^2-9x+18) ---------------------- x (x^2-12x+40) (x^16)

pre calculus

How do you simplify cos ((pi)/2) - feta?

pre calculus

f(x)= a+tan(bx) fina a and b f(0)= 5 f(pi/8)=1/sq root of 3 +5

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