Equations and Inequalities

Write an inequality:
Six fewer than four times a number is at most 2  

• 4x - 6 ≤ 2

• 4x - 6 ≥ 2

• 6 - 4x ≤ 2

• 6 < 4x + 2

9x + 3 < 21

• x > 2

• x < 2

• x > 9

• x < 9

WRITE AN EQUATION
331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

• 331=7x+6

• 331=13x

• 331=6x+7

• 331-7=6x

10 ≥ x - 3

• x ≤ 13

• x ≥ 13

• x ≤ 7

• x ≥ 7

-8x < 48

• x < -6

• x > -6

• x < 6

• x > 6

7b - 3 < 11

• b < 2

• 84 > b

• b > 2

• b < 84

Which represents the word sentence as an inequality?
A number w is smaller than 5.

• w < 5

• w > 5

• w ≤ 5

• w ≥ 5

Figure out what n equals in this equation:
6n + 4 = -26

• n=-6

• n= -5

• n= 8

• n= -4

Solve each equation for the following variable. 
1.     x - 4 = 12

• x = 8

• x = 16

• x = -8

• x = 3

WRITE AN EQUATION
You bought a $5 magazine and four
erasers. You spent a total of $25. How
much did each eraser cost?

• 5+x=25

• 5+4x=25

• 5x=25

• 23-5=4x