Math Linear Equations, Inequalities, and Systems

Question 1

Solve for x: 3(x − 2) + 4 = 2x + 7

Accepted Answer

x = 9

Answer

x = 3

Answer

x = 5

Answer

x = 7

Question 2

Which value of x satisfies the inequality 2x − 5 > 3?

Accepted Answer

x = 5

Answer

x = 3

Answer

x = 4

Answer

x = 2

Question 3

Solve the system: x + y = 10 and 2x − y = 5

Accepted Answer

x = 5, y = 5

Answer

x = 3, y = 7

Answer

x = 7, y = 3

Answer

x = 6, y = 4

Question 4

What is the slope of the line passing through (2, 3) and (6, 11)?

Accepted Answer

2

Answer

1/2

Answer

4

Answer

8

Question 5

A line has equation y = −3x + 7. What is the y-intercept?

Accepted Answer

7

Answer

−3

Answer

3

Answer

−7

Question 6

If −4 < 2x ≤ 8, which of the following is a valid solution set for x?

Accepted Answer

−2 < x ≤ 4

Answer

−8 < x ≤ 16

Answer

−2 ≤ x < 4

Answer

−4 < x ≤ 4