Reference no: EM13535634

1. Write the equation of the line that passes through point (1, –8) with a slope of 0.

A)  x = –8    B)  y = 1    C)  y = –8    D)  x = 1

2. One day, the temperature at 9:00 A.M. was 42°F, and by 2:00 P.M. the temperature was 57°F.  What was the hourly rate of temperature change?

A)  3°F/h    B)  4°F/h    C)  5°F/h    D)  2°F/h

3. Given f(x) = 5x2 – 3x + 1, find f(–2).

A)  15    B)  27    C)  –13    D)  –25

4. Write the equation of the line passing through (–6, –3) and (–6, 1).

A)  y = 4x    B)  y = x – 6    C)  x = –6    D)  y = –6

5. Find the slope of any line perpendicular to the line through points (6, 3) and (7, 7).

A)  –4    B)  1/4   C) -1/4  D)  4

6. Find the slope and y-intercept.

x = –8

A) Slope: undefined; y-intercept: (0, –8) C) Slope: undefined; y-intercept: none

B) Slope: 0; y-intercept: none D) Slope: 0; y-intercept: (0, –8)

7. A line passing through (5, –6) and (–9, y) is perpendicular to a line with slope 14/5 .  Find the value of y.

A)  1    B)  –4    C)  –2    D)  –1

8. Given f(x) = –x – 4, find f(a – 3).

A)  a – 8    B)  –a – 1    C)  a – 1    D)  –a – 7

9. If the graphs of the functions f(x) and g(x) intersect at the point (–5, –4), then

A) {(–5, –4)} is the solution to the equation f(x) = g(x).

B) the solution to the equation f(x) = g(x) is {–5}.

C) f(–5) = g(–4).

D) the solution to the equation f(x) – g(x) is {–5}.

10. True or False:  If the graphs of the functions f(x) and g(x) intersect at the point (–5, –6), then {–5} is the solution to the equation f(x) = g(x).

11. Solve the linear equation by writing it as the functional equality f(x) = g(x).

–2x + 5 = x – 7

A) {4}

B) {12}

C) {(4, –3)}

D) {–3}

12. Solve the linear equation by writing it as the functional equality f(x) = g(x).

–4x + 7 = –2x – 5

A) {(6, –17)}

B) {–17}

C) {6}

D) {(12, –41)}

13. True or False:  The solution to the functional equality f(x) = g(x), where f(x) = –5x + 1  and  g(x) = –3x – D is {(1, –4)}.

14. True or False:  To solve the equation

8x + 4 = 2x – 6

first rewrite the equation as f(x) = g(x) where

f(x) = 8x + 4  and  g(x) = 2x – 6

15. To solve the equation

3x + 5 = 2x – 7

first rewrite the equation as f(x) = g(x) where

A) f(x) = x, g(x) = –12

B) f(x) = 3x + 5, g(x) = 2x – 7

C) f(x) = x + 12 , g(x) = 0

D) f(x) = x, g(x) = 12

16. True or False:  To solve the equation

–x + 2 = 3x – 10

first rewrite the equation as f(x) = g(x) where f(x) = –4x  and   g(x) = – 12