Linear Equation Quiz: Grade 9

Grade 9 Linear Equation Quiz 

Answer all questions. Select one option for each and click "Submit".

1) Solve for x: 2x − 3 = 7

• A) x = 2
• B) x = 5
• C) x = −5
• D) x = 10

2) Solve for x: −3(2x − 4) + 5x = −8

• A) x = −8
• B) x = 4
• C) x = 8
• D) x = 2

3) Which is the slope and y-intercept of y = −3x + 5?

• A) Slope = −3, Intercept = 5
• B) Slope = 5, Intercept = −3
• C) Slope = 3, Intercept = −5
• D) Slope = −5, Intercept = 3

4) A taxi charges a base fare of ₦1000 plus ₦500 per kilometre. How many kilometres for a total of ₦6000?

• A) 5 km
• B) 8 km
• C) 9 km
• D) 10 km

5) What is the equation of the line through (1, 3) and (5, 7)?

• A) y = 2x + 1
• B) y = x + 2
• C) y = x − 2
• D) y = −x + 2