Expressions, Equations, & Inequalities

Expression

100

Write as an expression

Nine less than a number.

a - 9

200

𝑥³ + 4𝑤 − 𝑧 for 𝑥 = 3, 𝑤 = 2 and 𝑧 = 5

30

300

If 𝑝 = 2, what is the value of the expression 

|4𝑝 − 10| + 3𝑝

8

400

𝑏𝑐 + √4𝑎 when 𝑎 = 4, 𝑏 = −2 and 𝑐 = 9

-14

500

1/2 (2𝑥 − 𝑦²) when 𝑥 = 4 and 𝑦 = −2.

2

Two-Step Equations

100

Write as an equation.

The product of a three and a number plus five is 20.

3a + 5 = 20

200

Solve the equations. 

w/4 - 21 = -3

w = 72

300

Solve the equations. 

4 - 3x = 34

x = -10 

400

Solve the equations. 

1/3 x + 5 = 14

x = 27

500

Solve the equations.

(w+7)/3 = 4

w = 5

Inequalities

100

Write as an inequality.

The difference of 3 times a number and 7 is at least 20.

3x - 7 >= 20

200

Select the solution(s) that make

x - 5 < 8  true.

3   10   13   17   40

3 and 10

300

Solve the inequalities. 

-3a < -9

a > 3

400

Solve the inequalities. 

-11 + 2d < 13

d < 12

500

Which inequality is equivalent to -18 ≤ 3p ? 

a) p ≥ -54           b) -54 ≥ p  

c) p ≥ -6             d) -6 ≥ p

c) p ≥ -6