Quiz about Unit 6 7th Grade Assessment: Equations and Inequalities

Question 1

Select ALL expressions equivalent to -27x +9

Accepted Answer

$$-3\left(9x-3\right)$$

Accepted Answer

$$-9\left(3x-1\right)$$

Answer

$$-3\left(-9x-3\right)$$

Answer

$$9\left(-3x-1\right)$$

Question 2

Select the expression that is equivalent to (-2x + 3) - (4x - 6).

Accepted Answer

$$-6x\ +\ 9$$

Answer

$$6x\ -\ 9$$

Answer

$$2x\ -\ 3$$

Answer

$$6x\ +\ 9$$

Question 3

A rectangle has an area of 16x + 24. What could the length and width of the rectangle be? Select all that apply.

Accepted Answer

2 and 8x + 12

Accepted Answer

8 and 2x + 3

Answer

4 and 3x + 8

Answer

2 and 12x + 8

Question 4

Solve 6 = 10 + 4y

Accepted Answer

y = -1

Answer

y = -14

Answer

y = 14

Answer

y = 1

Question 5

Solve: $$10\ =\ 8\ -\ \frac{y}{4}$$

Accepted Answer

y = -8

Answer

y = -2

Answer

y = 2

Answer

y = 10

Question 6

Solve: $$-2\left(x-3\right)+4=2$$

Accepted Answer

x = 4

Answer

x = -12

Answer

x = 12

Answer

x = -4

Question 7

Choose the equation that matches the following word problem:

Julie had $96 to spend on 12 cards. After buying them she had $36. How much did each card cost?

Accepted Answer

$$96-12c=36$$

Answer

$$96+12c=36$$

Answer

$$12c+96=36$$

Answer

$$96=12c+32$$

Question 8

Solve: $$7+\frac{y}{3}\le14$$

Accepted Answer

$$y\le21$$

Answer

$$y\ge7$$

Answer

$$y\le14$$

Answer

$$y\ge28$$

Question 9

Solve: $$4x+6<-6$$

Accepted Answer

$$x<-3$$

Answer

$$x<3$$

Answer

$$x<4$$

Answer

$$x>4$$

Question 10

Solve and choose the correct graph: $$\frac{x}{3}<-1$$

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 11

Solve and Choose the correct graph: $$-3x+12\ge27$$

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 12

Choose the inequality that matches the word problem: Eva's parents gave her $30 to spend at the county fair. Admission is $8.00 and each ride costs $2.00. What is the greatest number of rides Eva can go on?

Accepted Answer

$$2x+8\le30$$

Answer

$$2x+8<30$$

Answer

$$2x-8<30$$

Answer

$$2x-8\le30$$

Question 13

Choose the inequality that matches the word problem: Caroline's piano teacher suggests that she practices at least 225 minutes per week. Caroline plans to practice 5 nights each week.

Accepted Answer

$$5x\ge225$$

Answer

$$5x>225$$

Answer

$$5x<225$$

Answer

$$5x\le225$$

Question 14

Solve: $$d+9d+5=25$$

Accepted Answer

d = 2

Answer

d = 3

Answer

d = 1

Answer

d = 4

Unit 6 7th Grade Assessment: Equations and Inequalities

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