1. On three consecutive passes, a football team gains 5 yards, loss 18, and gain 50 yards. What number represents the total net yardage?
The total net yardage is
2. -4<=3x-3<=-2
The solution is xl _ <=x<=_?
3. -5<x<=6
What would this answer look like on a line graph.
4. Graph the equation and identify the y-intercept
y + x = -10
5. Graph the equation using the slope and the y-intercept
y=(5)/3x+3
6. Find the slope, of it exists, of the line containing the pair of points
(1,9) and (10,-9) The slope is m=?
7. Graph the line containing the given pair of points and find the slope
(2,1),(-4,-2)
8. Solve for the indicated letter.
F=6g, for g The solution is g =?
9. Simplify
7[8-(28-91)]
7[8-(28-91)]=?
10. Decide whether the pair of lines parallel, perpendicular, or neither
5x+4y=10
4x-5y=1
Neither, parallel,or perpendicular
11. Solve using the multiplication principle. Don’t for get to perform a check.
7x=-49 the solution is x =?
12. The function H described by H(x)= 2.75x+71.48 can be used to predict the height in centimeters, of a woman whose humerus( the bone from the elbow to the shoulder) is x cm long.
Predict the height of a woman whose humerus is 37 cm long ?
13. Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 miles per hour and train B is traveling at 120 miles per hour. Train A passes a station at 6:15 AM. If train B passes the same station at 6:30AM at what time will train B catch up to train A?
14. Solve the following system of equations.
X+9y=4 (1)
X=5-9y (2) The solution is ? or is there no solution?
15. Graph the equation.
Y=2
16. g(x)=(10)/(4-9x)
Choose the correct domain below.
a. {x l x is a real number and x =/10
b. [x l x is a real number and x=/ 4/9]
c. [x l x is a real number and x=> 4/9
d. {X l x is a real number and x =/ 0}
17. Amy paid $56.28 for a pair of shoe during a 20% off sale. What was the regular price?
18. Plot (0,5) on the coordinate axes
19. Graph the system of inequalities.
Y=>-3
X=>6
20. The equation y=-1777x+27,153 can be used to predict the number y of gun deaths in the United States x years after 2000, that is ,x=0 corresponds to 2000, x=2 corresponds to 2002, x=4 corresponds to 2004 and so on. Predict the number of gun deaths in 2004 and 2007. In what year will the number of gun deaths be 11.160?
2004=?
2007=?
Gun deaths will be 11.160in the year ?
21. Solve
8x-(2x+6)=6
22. Collect like terms
14p+4q-11p-9q=?
23. Solve by the elimination method.
2r-5x=3
5r+2s=22
The solution is ?
There are infinitely many solutions?
There is no solution?
24. 2x+3y=2
4x+6y=4
Solution is ?
There are infinitely solutions?
There are no solution?
25. In 1994, the life expectancy of males in a certain country was 69.5 years. In 2001, it was 71.9 years. Let E represent the life expectancy in yeat T and let T represent the number of years since 1994.
The linear function E(t) that fits the data is
E(t)= ? t+? (round to nearest tenth)
Use the function to predict the life expectancy of males in 2007
E(13)=?
26. Media services charges $30 for a phone and $20 month for its economy plan. The equation c=20t +30 describes the total cost of c, of operating a media service phone for t months.
The total cost for 2 months of service is?
If a customer has only 80 available how many months can she receive service? 1)2 ½ 2) 3 3) 2 4)2 ½
27. Find the indicated outputs for f(x)=2x^2-2x
F(0)=?
F(-1)=?
F(2)=?
28. -4x>1/11
The solution is {x lx ? ?}
29. p(x)=x^(2)-2x+3
x is real and x =/10
x lx is real and x>0
x l x is real number
x lx is a real number and x =/3
Can someone please assist me with these problems? Having issues with solving them