QUIZ 2: FAMILIES OF FUNCTIONS

Which graph has an x -intercept of -2 and a y -intercept of 4?

(-2,0) and (0,4)

Which is the graph for the equation y = -3 x + 4?

(0,4) and (1,1)

What is the y -intercept of the equation 2 x + 3 y = 12?

4

What is the x -intercept of the graph y = 2 x - 14?

7

Slope is known as the run over the rise.

False

The ordered pair of the x -intercept has a zero for the x -value.

False

The y -intercept is where a line crosses the y -axis.

True

When non-linear equations are graphed, they do not have straight lines.

True

y = mx + b is the generic form of a linear equation written in slope-intercept form.

True

What is the slope of a line that passes through the points (-2, 4) and (-6, 12)?

not - 1/2

What is the slope of the line shown on the graph?

not - 5/4

Write an equation for the line that passes through the points (0, -6) and (-3, 0).

not y = - 1/2 x - 3

Which table of values goes with the equation y = x^2 - 2x + 3?

x y -2 11 -1 6 0 3 1 2 2 3

What table of values goes with the equation y = |-2 x |?

x y -2 4 -1 2 0 0 1 2 2 4

What is the equation of a line that passes through points (0, 4) and (-4, -8)?

y = 3 x + 4