Math8 Review Center Q1

• 2𝑥

• 4𝑥

• 6𝑥

• 12𝑥

Which is a linear equation in two variables?

• 𝑥 − 𝑦 = 3

• 1 + 𝑦 < 3

• 2𝑥 + 𝑦 > 4

What is a Rectangular Coordinate System?

• It is used for naming points in a plane.

• It is a plane used for graphing linear

• It is used to determine the location of a point by using a single number.

• It is a two-dimensional plane which is divided by the axes into four regions.

Which line in the figure is the steepest?

• line t

• line a

• line p

• line s

In the equation 5𝑥 + 𝑦 = 7, as x increases what will happen to the value of y?

• Increases

• decreases

• does not change

• cannot be determined

Which of the following equation is not in standard form?

• 𝑥 − 0𝑦 = 3

• 2𝑥 − 𝑦 = 15

• 𝑥 + 2.5𝑦 = −8.5

• 𝑥 − 𝑦 = 0

Among the given points, which point satisfies the linear equation 𝑥 − 2𝑦 = 5?

• (1,-2)

• (0, -2)

• (1, 0)

• (2, -3)

• (𝑥 + 8)

• (𝑥 − 8)

• (𝑥 − 3)

• (𝑥 + 3)

• 2𝑥 − 3𝑦 + 1

• 2𝑥 − 3𝑦 − 1

• 2𝑥 + 3𝑦 + 1

• 2𝑥 + 3𝑦 − 1