Solving Equations and Inequalities

Write an inequality to represent the following situation: A person must be at least 16 years old to obtain a driver's license.

• A > 16

• A ≥ 16

• A < 16

• A ≤ 16

• x = 5

• x = -5

• x = 0

• x = 10

Which equation represents the statement: "Four times a number decreased by 7 is equal to 21"?

• 4x - 7 = 21

• 4(x - 7) = 21

• 4x + 7 = 21

• 4(x + 7) = 21

• x > 7

• x < 7

• x > -7

• x < -7

• x = 3

• x = -3

• x = 4

• x = -4

Tags

TEKS.MATH.8.8A

Which inequality represents the statement: "The sum of a number and 8 is less than or equal to 20"?

• x + 8 < 20

• x + 8 ≤ 20

• x + 8 > 20

• x + 8 ≥ 20

• x ≤ 4

• x ≥ 4

• x ≤ -4

• x ≥ -4

• x + 10 = 50

• x - 10 = 50

• 10x = 50

• x = 50 - 10

• x = -9

• x = 9

• x = -1

• x = 1

Tags

TEKS.MATH.8.8C