Slope-Intercept Form

Slope-Intercept Form

PA8

Let's Review...

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Multiple Choice

The graph of a linear equation is always a straight line.

• true

• false

Multiple Choice

How do you calculate slope using a graph?

• rise over run

• run over rise

• look at the y-intercept

• look at the x-intercept

Multiple Choice

What type of slope is shown?

• undefined

• positive

• negative

• zero

Multiple Choice

What type of slope is shown in the picture?

• positive

• negative

• zero

• undefined

Multiple Choice

What type of slope is shown?

• negative

• positive

• undefined

• zero

Multiple Choice

What is the slope of this line?

• 6/1 = 6

• −6/1 = −6

• 1/6

• −1/6

Multiple Choice

Find the slope of the line.

• −5/4

• 5/4

• −4/5

• 4/5

Multiple Choice

What is the slope formula?

Multiple Choice

Find the slope of the line through the points (2, −7) and (−1, 6).

• −13/3

• 13/3

• 0

• 2/3

Multiple Choice

Find the slope of the line through the points (3,2) and (4,7).

• 4

• 5

• −5

• 1/5

Multiple Choice

What is the slope-intercept form of the equation of a line?

• y = bx + m

• y = mx + b

• y = mb + x

• x = my + b

Multiple Choice

What is b in this linear equation?

y = 5x − 6

• 6

• 5

• −5

• −6

Multiple Choice

What is the slope of the linear equation below?

 $y\ =\ -\frac{3}{2}x\ +\ 4$  

•  $-\frac{3}{2}$  

•  $\frac{3}{2}$  

•  $4$  

•  $-4$  

Multiple Choice

What is the y-intercept of the line with the equation:

 $y\ =\ -2x\ +\ 4$  

•  $\left(0,-2\right)$  

•  $\left(-2,\ 0\right)$  

•  $\left(4,\ 0\right)$  

•  $\left(0,\ 4\right)$  

Multiple Choice

If the slope is 1/2 and the y-intercept is (0, −4), what is the correct equation in slope-intercept form?

• $y=\frac{1}{2}x+4$

• $y=\frac{1}{2}x-4$
  

• $y=4x+\frac{1}{2}x$
  

• $y=-4x+\frac{1}{2}$
  

Multiple Choice

How would you write the equation of a line with a y-intercept of 3/2 and a slope of -3?

•  $y=\frac{3}{2}x+3$  

•  $y=\frac{3}{2}x-3$  
  

•  $y=3x+\frac{3}{2}$  
  

•  $y=-3x+\frac{3}{2}$  
  

Multiple Choice

When graphing a line in slope-intercept form, always begin with...

• the y-intercept on the y-axis.

• the slope on the y-axis.

• the y-intercept on the x-axis.

• the slope on the x-axis.

Multiple Choice

When graphing a line in slope-intercept form, always start counting the slope...

• from the origin, (0,0).

• from the x-intercept.

• from the y-intercept.

Multiple Choice

Graph the line with the equation:

 $y\ =\ -\frac{2}{3}x\ +\ 4$  

Multiple Choice

Graph the line with the equation:

 $y\ =\ -\frac{1}{3}x\ -\ 4$  

Multiple Choice

Which is the graph of y = −x + 2?

• A

• B

• C

• D

Multiple Choice

Which is the graph of y = −4?

• a

• b

• c

• d

Multiple Choice

Which is the graph of x = 1?

• a

• b

• c

• d

Multiple Choice

What is the equation of this line in slope-intercept form?

• y = 2x + 5

• y = −2x + 5

• y = −2x

• y = 5

Multiple Choice

Write the equation of the line.

• $y=-\frac{1}{3}x-2$

• $y=\frac{1}{3}x-2$
  

• $y=3x-2$
  

• $y=-3x-2$
  

Multiple Choice

What is the equation of this line?

• y = −2x + 2

• y = 2x − 2

• y = −x + 2

• y = x + 2

Multiple Choice

Give the equation for the graph.

• y = 5x − 3

• y = 4x + 2

• y = −2x + 5

• y = −2x + 4

Multiple Choice

Which equation represents the following graph?

• y = 3x + 2

• y = −2x + 3

• y = 2x + 3

• y = −3x + 2

Multiple Choice

Write the equation of the line.

• $y=-\frac{2}{3}x+4$

• $y=\frac{2}{3}x+4$
  

• $y=\frac{3}{2}x+4$
  

• $y=-\frac{3}{2}x+4$