Section 1.2 Quiz

Which property says adding the same number to each side of an equation produces an equivalent equation?

• addition property of equality

• Commutative property of addition

• Associative Property of addition

• Identity Property of addition

Which TWO inverse operations can be performed on both sides of the equation to isolate the variable?

• multiply by -2/3

• subtract 8

• divide by -2/3

• multiply by 3/-2

Solve the equation: x + 6 = -8

• x = -2

• x = -14

• x = 2

• x = 14

Solve the equation: 0.7x = 3.5 .

• x = 5

• x = 2.5

• x = 7

• x = 3

Solve the equation: 9x + 33 = -30 .

• x = -7

• x = 7

• x = -3

• x = 3

Solve the equation: 8(2x + 1) - 1 = -9

• x = -1

• x = -2

• x = 1

• x = 2

What is the value of y = 2x + 6 when x = 8?

• y = 1

• y = 7

• y = 10

• y = 22

Write the sentence as an equation and solve: 5 less than one half of a number n is 21.

• n = 52

• n = 42

• n = 32

• n = 62

What is the missing angle?

• 25

• 90

• 155

• 65

Whatis the angle measure of C?

• 7

• 58

• 42

• 80