Grade 8 Mathematics Quiz

Which of the following expressions does not belong to the group?

• x=-3 only

• x=3 only

• x=2 only

• both x=3 and x=-3

• 2

• 4

• 6

• 8

In what quadrant does the point (x, y) lie if x < 0 and y > 0?

• I

• II

• III

• IV

• 3x + 4y = 4

• 3x + 4y = -4

• 3x – 4y = 4

• 3x – 4y = -4

Among the linear equations, which has the graph that is shown in figure below?

• 4x + 2y = 8

• 2x + 4y = 8

• 4x + 2y = 0

• 2x + 4y = 0

What is the equation of the line in slope-intercept form whose slope is -3 and passing through the point (2, 5)?

• y = -3x + 1

• y = -3x + 11

• 3x + y = 11

• 3x – y = 1

Which of the following ordered pairs is the solution of the system.

• (3,2)

• (4,1)

• (5,0)

• (6,-1)

Which of the following ordered pairs does not satisfy both 2𝑥 – 4𝑦 – 8 = 0

and 𝑥 = 2𝑦 + 4 if substitution is applied?

• (0,-2)

• (-2,3)

• (4,0)

• (2,-1)