Question 1

Which of the following is an expression, not an equation?

Accepted Answer

$$3x + 7$$

Question 2

Which of the following equations is linear in one variable, $$x$$?

Accepted Answer

$$2x + 5 = 9$$

Question 3

Solve for $$x$$: $$10x - 6 = 4x + 12$$

Accepted Answer

$$x = 2$$

Question 4

Solve for $$x$$: $$2x + 7 = 3x - 5$$

Accepted Answer

$$x = 12$$

Question 5

If two angles are supplementary and one angle measures $$60^\circ$$, what is the measure of the other angle?

Accepted Answer

$$120^\circ$$

Question 6

Find the value of $$x if$$ $$4(x + 6) = 2(x + 18).$$

Accepted Answer

$$x = 12$$

Question 7

A rectangle's length is 2 more than twice its width. If the perimeter is $$28$$ units, what is the width?

Accepted Answer

$$4$$

Question 8

Which of the following best describes the equation $$x + 5 = 2x - 7$$?

Accepted Answer

A linear equation

Question 9

If $$x = 14$$, what is the value of $$2x - 8$$?

Accepted Answer

$$20$$

Question 10

A butterfly garden is twice as long as it is wide. If the perimeter is $$60$$ meters, what is the length of the garden?

Accepted Answer

$$20$$ meters

Question 11

Solve for $$x$$: $$3x - 7 = 2x + 8$$

Accepted Answer

$$x = 15$$

Question 12

Which of the following is NOT a property of supplementary angles?

Accepted Answer

Their measures add up to $$90^\circ$$

Mixed Review: Beginning-Intermediate Algebra Study Guidance

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