Equations & Inequalities Test

1.

4 points

The absolute value of a real number cannot be negative because a number's distance from 0 on a number line cannot be negative.

True

False

2.

4 points

Solve | 2x | = -6

-6

no solution

6

all number

3.

4 points

What is the solution of the equation -4(n + 5) = -32?

13

3

-13

-12

4.

4 points

What is the solution of the equation 2(3x + 4) = 6x + 5?

All Number

3

No Solution

1

5.

4 points

Solve | 2x- 4 | -8 = 10

11, 1

11, -7

no solution

-11, -7

6.

4 points

Solve | x -4 | = 6

all numbers

no solution

-10, 2

10, -2

7.

4 points

Which number is a solution of the inequality b + 2 > 2?

4

-1

-2

0

8.

4 points

For which equation is 6 a solution?

-2y - 7 = 11 - 5y

18y -16 = 13y + 19

11y - 32 = 7y - 12

-7y -24 = -8 - 9y

9.

4 points

What is the solution of y + 31 = 19?

-50

12

-12

50

10.

4 points

What is the solution of the equation 15y - 63 = 57?

9

-8

8

10

11.

4 points

Which expression is equivalent to 5a + 8 - 2(a + 4)?

3a

3a + 16

3a + 12

3a + 4

12.

4 points

What is the solution of the ineqaulity z/-4 + 3 < 15?

z < -3

z < -48

z > -3

z > -48

13.

4 points

What is the solution of x/-3 = -18?

-54

54

-6

6

14.

4 points

Which equation has no solution?

7( s + 1) = -3 + 7s

4t - 8 = 7( t - 2)

3( r - 1) = -2( 2 + r)

6p + 2 = 9p - 4

15.

4 points

Which value is not a solution of the inequality -5y - 2 ≥ 30.5?

-6.5

-3

-162.5

-10

16.

4 points

What is the solution of -20 = g - 4?

5

80

-24

-16

17.

4 points

What is the value of -4.85 - (-6.32)?

1.47

-1.47

-11.17

11.17

18.

4 points

What is the solution of the equation -3(2x - 1) = -21?

-4

-3

3

4

19.

4 points

Which number is a solution of the inequality -7x +3 < -7.5?

3

-1

-3

1

20.

4 points

What is the solution of the ineqaulity -12 > y + 6?

y > -18

y < -18

y > -6

y < -6

21.

4 points

Gaints Stadium in New Jersey can seat up to 80,242 people. Which inequality represents the number N of people that the stadium can seat?

n > 80, 242

n < 80,242

n ≥ 80,242

n ≤ 80,242

22.

4 points

Which equation represents the sentence " The difference of 9 and x is 5."?

x - 9 = 5

9 = x - 5

9 - x = 5

9 = 5 - x

23.

4 points

What is the solution of 5.2w = -2.08?

-0.4

-2.5

0.4

2.5

24.

4 points

What is the solution of the equation x/5 - 12 = 10?

-14

38

10

110

25.

4 points

Solve | x | = 18

no solution

all numbers

9, -9

18, -18