Quiz about Algebra Mid-Year

Question 1

Solve for a.

Accepted Answer

a = w/p

Answer

a = pw

Answer

a = p/w

Answer

a = w + p

Question 2

Solve for the indicated variable.

Accepted Answer

w = A/l

Answer

A = l/w

Answer

w = l/A

Answer

w = A

Question 3

Solve for x:

Accepted Answer

x = by + v

Answer

x = yb - v

Answer

x = by - v

Question 4

Simplify each equation. Tell whether the equation has one, no, or infinite solutions.
3x - 8 = 3(x - 4) + 1

Accepted Answer

no solutions

Answer

one

Answer

infinite solutions

Question 5

Simplify each equation. Tell whether the equation has one, no, or infinite solutions.
3x - 7 = 3(x - 3) + 2

Accepted Answer

infinite solutions

Answer

one

Answer

no solutions

Question 6

Simplify each equation. Tell whether the equation has one, no, or infinite solutions.
5x + 6 = 2 + 3x

Accepted Answer

one

Answer

no solutions

Answer

infinite solutions

Question 7

14 < -2a + 6 - 2a

Accepted Answer

a < -2

Answer

a > -2

Answer

a > 2

Answer

a < 2

Question 8

Solve:
3(x - 2) < 2(x + 9)

Accepted Answer

x<24

Answer

x>12

Answer

x<12

Answer

x>24

Question 9

Is this a function?

Accepted Answer

Function

Answer

Not a Function

Question 10

Which set of values is a function?

Accepted Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(9,5) (10,5) (9,-5) (10,-5)

Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(2, -2) (5, 9) (5, -7) (1, 4)

Question 11

For the function f(x) = -3x + 3 find f(0).

Accepted Answer

3

Answer

0

Answer

-3

Answer

-1

Question 12

Given f(x) = -4x - 10 and f(x) = 10. Find x

Accepted Answer

x = -5

Answer

x = 5

Answer

x = -50

Answer

x = 30

Question 13

Simplify this expression:

-7w + (-6) + 5 + (-9w)

Accepted Answer

-16w - 1

Answer

-2w - 1

Answer

-16w - 11

Answer

-2w + 11

Question 14

Find the slope of the line that passes through
(10, 1) and (5, 2)

Accepted Answer

-1/5

Answer

1/5

Answer

5

Answer

-5

Question 15

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

Accepted Answer

75

Answer

200

Answer

150

Answer

300

Question 16

Give the slope and y-intercept
6x - 3y = -9

Accepted Answer

m=2 b=3

Answer

slope is 6
y-intercept is 9

Answer

slope is 2
y-intercept is -3

Answer

m = 3
b = 2

Question 17

Write the equation of a line in point slope form that goes through the points (4,7) and (5,1).

Accepted Answer

y-7=-6(x-4)

Answer

y+1=-6(x+5)

Answer

y-7=-1/6(x-4)

Answer

y-1=-1/6(x-5)

Question 18

Use the equations given to determine if the following lines are parallel, perpendicular, neither or both.
y-2=.5(x+3)
y-4=.5(x-2)

Accepted Answer

parallel

Answer

perpendicular

Answer

neither parallel nor perpendicular

Answer

both parallel and perpendicular

Question 19

Write the equation of the line.

Accepted Answer

y = -3/2x + 4

Answer

y = -2/3x + 4

Answer

y = 2/3x + 4

Answer

y = 3/2x + 4

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