Linear Equations and Inequalities Quiz

It is an equation of a straight line, written in one variable.

• Quadratic Inequality

• Linear Equation

• Quadratic Inequality

• Quadratic Equation

It is a set that consists of all values that make the equation true.

• Empty Set

• Null Set

• Subset

• Solution Set

What is x in the equation x−15=−4?

• 11

• 3

• –3

• –11

Express the 2x−4=8 in terms of x.

• x=8+4

• x=6

• x=8

• x=12

Solve the equation: x + 5=2x+4

• x=9

• x=5

• x=4

• x=1

Translate: “three less than a given number”.

• x−3

• x−3

• 3

• 3>x

The sum of three consecutive numbers is 48. What is the smallest of these numbers?

• 14

• 15

• 16

• 17

Adam is 10 years younger than Brian. In two years, Brian will be thrice as old as Adam. How old is Brian now?

• 3

• 5

• 13

• 15

Which of the following graphs shows the solution set of x−4≤−2?

• A

• C

• A

• D

Find all pairs of consecutive even positive integers, both of which are larger than 8, such that their sum is greater than 25.

• (12, 14)

• (15, 10)

• (13, 15)

• (10, 12)