Mathematics Quiz for Grade 8

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Which equation matches the table?

• y = 3x + 9

• y = x + 9

• y = x + 3

• y = 12x - 3

What is the y-intercept?

• -1/3

• 5

• -3

• -4

What is the slope of the equation y = 5x + 2?

• 5

• 0

• 2

• -5

Which of the following is a linear equation?

• y = 2x + 3

• y = x^2 + 3

• y = 3/x

• y = 2^x

What is the solution to the inequality 3x > 9?

• x > 3

• x < 3

• x > 9

• x = 3

What is the constant rate of change in the equation y = 4x + 1?

• -4

• 0

• 1

• 4

What is the y-intercept of the equation y = -2x + 5?

• -5

• 0

• -2

• 5

Which equation represents a line with a slope of 3?

• y = x + 3

• y = 1/3x

• y = 3x + 1

• y = 3x - 1

What is the slope of the line y = -x + 4?

• -1

• 0

• 4

• 1