Graphing Equations by Plotting Points Quiz

What is the equation used in this lesson?

• y = x^2 + 5

• y = -x^2 + 5

• y = x^2 - 5

• y = -x^2 - 5

How does the opposite of the square of x differ from the square of negative x?

• The opposite of the square of x involves two factors of negative x.

• They are the same.

• The square of negative x involves two factors of negative x.

• The opposite of the square of x is always positive.

What is the y value when x is -3?

• -4

• 4

• 9

• -9

Which ordered pair corresponds to x = 0?

• (0, 4)

• (0, -5)

• (0, 5)

• (0, 0)

What is the ordered pair for x = 2?

• (2, -1)

• (2, -4)

• (2, 1)

• (2, 4)

What is the first step in plotting the points on the graph?

• Draw the horizontal axis.

• Draw the vertical axis.

• Plot the origin.

• Scale the axes.

What is the range of x values used for scaling the axes?

• -5 to 5

• -3 to 3

• -7 to 7

• -10 to 10

What tool is used to verify the graph?

• Ruler

• Protractor

• Graphing calculator

• Graph paper

What should be done before entering the equation in the graphing calculator?

• Turn off the calculator.

• Check the battery.

• Adjust the screen brightness.

• Clear out any old equations.

What is verified by pressing the graph button on the calculator?

• The correctness of the graph

• The scale of the axes

• The input values

• The table of values