Equations and Inequalities

3c + 5 = 23

• c = 3

• c = 6

• c = 7

• c = 18

The product of x and 7 is not greater than 10

• 7x >10

• 7x ≤ 10

• 7 + x < 10

• ⁷ / _x <  10

4x - 2 ≤ -22

• x ≥ -5

• x ≥ -6

• x ≤ -6

• x ≤ -5

you must be at least 48 inches to ride the roller coaster.

• x > 48

• x < 48

• x ≤ 48

• x ≥ 48

Write the phrase as an expression.
twice a number x plus 8 is greater than 12

• 2 + 8x < 12

• 2x + 8 > 12

• 2(x+8) ≠ 12

• 8(2+x) 

10 < 3x + 19

• x < 3

• x > 3

• x < -3

• x > -3

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

-8x < 48

• x < -6

• x > -6

• x < 6

• x > 6