Quiz about Unit 6 Test Review

Question 1

Solve the equation: $$2x + 3 = 11$$ .

Accepted Answer

$$x = 4$$

Answer

$$x = 5$$

Answer

$$x = 3$$

Answer

$$x = 6$$

Question 2

Which of the following represents the solution to the inequality $$x - 5 > 3$$ on a number line?

Accepted Answer

An open circle at 8 and shading to the right

Answer

A closed circle at 8 and shading to the right

Answer

A closed circle at 8 and shading to the left

Answer

An open circle at 8 and shading to the left

Question 3

Write a real-world problem that corresponds to the equation $$3x + 2 = 11$$ .

Accepted Answer

If you have 3 times the number of apples plus 2 more apples, you have 11 apples in total. How many apples do you have?

Answer

If you have 3 apples and you add 2 more, you have 11 apples in total. How many apples did you start with?

Answer

If you have 11 apples and you give away 2, you have 3 times the number of apples left. How many apples do you have?

Answer

If you have 11 apples and you eat 3, you have 2 times the number of apples left. How many apples do you have?

Question 4

Solve the inequality: $$4x - 7 \leq 9$$ .

Accepted Answer

$$x \leq 4$$

Answer

$$x \geq 4$$

Answer

$$x \leq 2$$

Answer

$$x \geq 2$$

Question 5

Write a real-world problem that corresponds to the inequality $$5x - 3 \geq 12$$ .

Accepted Answer

If you have 5 times the number of books minus 3, you have at least 12 books. How many books do you have?

Answer

If you have 5 books and you give away 3, you have at least 12 books left. How many books did you start with?

Answer

If you have 12 books and you give away 3, you have 5 times the number of books left. How many books do you have?

Answer

If you have 12 books and you eat 5, you have 3 times the number of books left. How many books do you have?

Question 6

Solve the equation: $$\frac{1}{2}x - 4 = 3$$ .

Accepted Answer

$$x = 16$$

Answer

$$x = 14$$

Answer

$$x = 12$$

Answer

$$x = 10$$

Question 7

Which of the following represents the solution to the inequality $$2x + 1 < 5$$ on a number line?

Accepted Answer

An open circle at 2 and shading to the left

Answer

A closed circle at 2 and shading to the left

Answer

A closed circle at 2 and shading to the right

Answer

An open circle at 2 and shading to the right

Question 8

Write a real-world problem that corresponds to the equation $$4x + 5 = 21$$ .

Accepted Answer

If you have 4 times the number of pencils plus 5 more pencils, you have 21 pencils in total. How many pencils do you have?

Answer

If you have 4 pencils and you add 5 more, you have 21 pencils in total. How many pencils did you start with?

Answer

If you have 21 pencils and you give away 5, you have 4 times the number of pencils left. How many pencils do you have?

Answer

If you have 21 pencils and you eat 4, you have 5 times the number of pencils left. How many pencils do you have?

Question 9

Solve the inequality: $$3x + 2 > 8$$ .

Accepted Answer

$$x > 2$$

Answer

$$x < 2$$

Answer

$$x > 3$$

Answer

$$x < 3$$

Question 10

Evaluate the expression: x/2+10 if x = 10

Accepted Answer

15

Answer

20

Answer

30

Answer

25

Question 11

Find the slope of the line.

Accepted Answer

1/2

Answer

-1/2

Answer

2

Answer

-2

Question 12

Write the equation of the line.

Accepted Answer

y = 1x+1

Answer

y=1x-1

Answer

y=-1x+1

Answer

y=-1x-1

Question 13

Write the equation for the line.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=(1/4)x+3

Answer

y= -4x+3

Question 14

Evaluate when a = 15:
2(a - 5) + 2

Accepted Answer

22

Answer

27

Answer

14

Answer

7

Question 15

Evaluate 3x + 8   if x = 2

Accepted Answer

14

Answer

13

Answer

15

Answer

16

Unit 6 Test Review

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