LORINO Slope-Intercept Form

Slope

100

What is the formula used to find slope?

m = y₂ - y₁ / x₂ - x₁

200

Which number is y₂? 

(2,3) (4,1)

1

300

What is the slope of y = -16x – 9

-16

400

Find the slope of the line that passes through the points

 (0, -4) (4, -4)

0

500

Find the slope of the line that passes through the points

(-16, 4) & (2, -5)

-1/2

Intercept

100

On the y-intercept, what is the value of x?

0

200

What is the y-intercept of y=5x-12?

-12

300

Give one possible equation with the same slope but a different y-intercept as y = 8x + 5

y = 8x ______

400

What is the y-intercept of y=4x+10?

10

500

What is the y-intercept of y = 3x - 360

-360

Slope-Intercept Form

100

What is the equation for slope-intercept form?

y=mx+b

200

In slope-intercept form, what does the variable m represent?

Slope

300

In slope-intercept form, what does the variable b represent?

y-intercept

400

What is the slope and y-intercept of this equation? y=-2x+5

slope: -2

y-intercept: 5

500

Write the equation of these points in slope-intercept form (1, 2) (2, -1)

y = -3x + 5

Challenge

100

Write the equation of a line with the slope of -4 and a y-intercept of 5

y = -4x + 5

200

A personal assistant charges $50 initial consultation fee plus $15 per hour. The equation in slope-intercept form

y = 15x + 50

300

Find the slope of the line that passes through the points. Write your answer in simplified form.

 (5,-80) and (-7,26)

-53/6

400

Which two equations have the same slope?

#1  y =  2/3x - 8

#2  y = 3/4x + 6

#3  y = 3x + 4

#4  y = 3/4x - 5

2 and 4

500

The ______ on a line that crosses the ________.

The _____________ is ALWAYS _____.

This is _________________

Ex. (0, __)

point
 y-axis
 x-coordinate
0

Y-intercept
(0,#)