Unit 2 Study Guide (Equations and Inequalities)

Unit 2 Study Guide (Equations and Inequalities)

Test tomorrow!

Multiple Choice

What is the first step to solve this equation? 3x - 5 = 7

• Add 5 to both sides of the equation

• Add 3x to both sides of the equation

• Subtract 5 from both sides of the equation

• Subtract 7 from both sides of the equation

Multiple Choice

Solve for a

• a= -2

• a= -7.5

• a= 2

• a= 6

Multiple Choice

Level 3

Solve for w

• w = 2

• w = 4

• w = 6

• w = 8

Multiple Choice

Solve: 13= 5m -2

• m = -3

• m = 2

• m = 3

• m = -2

Multiple Choice

What is the first step in solving a multi-step equation?

• Distribution (If necessary)

• Combine Like Terms

• Move the variable

• Move the constant

Multiple Choice

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

Multiple Choice

Solve: 18 = 3(x - 2)

• 6.7
• 4
• 8
• -4

Multiple Choice

• 3

• -4

• -11

• -18

Multiple Choice

7w + 5 = 3w - 15

• w = 5

• w = -2

• No solution

• w = -5

Multiple Choice

5(x + 2) - 3x = 2x+10

• Infinite Solutions

• No Solution

• x = -10

• x = 7

Multiple Choice

6x + 10 = 2(3x + 4)

• x = 0

• x = 2

• No solutions

• Infinite solutions

Multiple Choice

Solve:
2(4x-3) - 8 = 4 + 2x

• Infinite solutions

• x = 3
• x = 1
• x = 2

Multiple Choice

Solve:
C = 2πr, for r

• C/(2π) = r
• C + 2π = r
• C - 2π = r
• 2πC = r

Multiple Choice

2a + 5b = c (solve for a) 

• $$a=\frac{c+5b}{2}$$  

• $$a=c-5b-2$$  

• $$a=\frac{5b-c}{2}$$  

• $$a=\frac{c-5b}{2}$$  

Multiple Choice

Which graph matches the inequality
r ≥ -6?

• A
• B
• C
• D

Multiple Choice

Which graph matches the inequality
2 > p?

• A
• B
• C
• D

Multiple Choice

Select the inequality shown

• x > 1

• x ≥ 1

• x < 1

• x ≤ 1

Multiple Choice

Select the inequality shown

• x > 5

• x ≥ 5

• x < 5

• x ≤ 5

Multiple Choice

You flip an inequality symbol when you...

• subtract
• multiply and divide only
• multiple by a negative number
• multiple or divide by a negative number

Multiple Choice

-4x + 14 ≤ 54

• x ≥ -10
• x ≤ -10
• x ≥ 10
• x ≤ 10

Multiple Choice

Solve. 3(k-5) + 9k ≥ -3

• k ≥ 0
• k ≤ -1
• k≥ 1
• k≥ 2

Multiple Choice

28 − k > 7(k − 4)

• k > -7

• k < -7

• k > 7

• k < 7