Grade 8 - Math Quiz

Which of the following is true about the graph of a linear equation?

• It is a line.

• It is an ellipse.

• It is a parabola.

• It is a hyperbola.

Which line passes through the points (−1,0) and (0,−2)?

• 𝑦 =2𝑥+2

• 𝑦 =2𝑥−2

• 𝑦 =−2𝑥+2

• 𝑦 =−2𝑥−2

Which among the choices is the abscissa of a point?

• 𝑥− intercept

• 𝑥− coordinate

• 𝑦− intercept

• 𝑦−coordinate

You are asked by your teacher to graph the linear equation whose slope and a point are given. What will you do first?

• Plot the given point.

• Draw a line passing the points.

• Use the slope to identify the rise and the run.

• From the given point, count out the rise and run.

What are the intercepts of the linear equation whose graph is shown?

• 𝑎 =2; 𝑏 =−4

• 𝑎 =4; 𝑏 =−2

• 𝑎 =−2; 𝑏 =−4

• 𝑎 =−4; 𝑏 =−2

Describe the graph of the linear equation 𝑦 = −6.

• It is a vertical line.

• It is a horizontal line.

• It is increasing from left to right.

• It is decreasing from left to right.

Describe the slope of the graph.

• Negative

• Positive

• Undefined

• Zero

Describe the slope of the graph.

• Negative

• Positive

• Undefined

• Zero

Describe the slope of the graph.

• Negative

• Positive

• Undefined

• Zero

Describe the graph of the linear equation 𝑥 = −2.

• It is a vertical line.

• It is a horizontal line.

• It is increasing from left to right.

• It is decreasing from left to right.