Ch 3 PM2 Review

Chapter 3 PM2 Review

8th Grade

Remember… When solving algebraic equations…

1) Get rid of fractions!
2) Distributive Property
3) Combine like terms
4) Inverse Operations -

SADMEP

−3.5(10𝑥 − 2) = −176.75 Apply 4 steps!

15(2𝑥 − 10) + 4𝑥 = −3(15𝑥 + 4) Apply 4 Steps!

Math Response

Solve for x. Please type the NUMBER ONLY. Do NOT type "x=". Keep your answer a FRACTION. NO decimal answer.

Type answer here

Correct Answer: \frac{2}{3}

Deg^°

Rad

Math Response

Solve for x. Please type the NUMBER ONLY. Do NOT type "x=".

Type answer here

Correct Answer: -29

Deg^°

Rad

​Apply the 4 steps.

​Apply 4 steps.

Math Response

Solve for x. Please type the NUMBER ONLY! Do NOT type "x=".

Type answer here

Correct Answer: 32

Deg^°

Rad

Math Response

Solve for x. Please type the NUMBER ONLY! Do NOT type "x=".

Type answer here

Correct Answer: 1

Deg^°

Rad

Math Response

Solve for x. Type the NUMBER ONLY. Do NOT type "y=".

$$\frac{y\ +\ 4}{3}=\ 12$$

Type answer here

Correct Answer: 32

Deg^°

Rad

How many solutions does the equation have?

2(𝑦 + 3) + 1 = 2(3 + 𝑦)

​How many solutions does the equation have?

How many solutions does the equation have?
2𝑦 + 7 = 7 + 2𝑦

Multiple Choice

How many solutions to this equation?

• No solutions

• One solution

• Infinitely many solutions

Multiple Choice

How many solutions does the equation have?

• No solutions

• One solution

• Infinitely many solutions

Multiple Choice

How many solutions does the equation have?

• No solutions

• One solution

• Infinitely many solutions

Inequalities Reminders

Represent the solutions to the inequality

550 + 8𝑏 > 925 graphically.

Solve and graph the inequality −225 ≤ 320 − 0.5𝑥.

Multiple Choice

Solve the inequality.

Multiple Choice

Solve the inequality.

$$-x\ +\ 12\ >\ 45$$

​Graph the answer: