Functions and Solutions
Intercepts
Slope
Slope intercept form
Point Slope form &Slopes of lines
100

Is (1, -1) a solution to the equation 3x+2y=1?

yes!

100

What is the x-coordinate of EVERY y-intercept?

0

100
What is the slope of a horizontal line?
Zero
100
What is slope intercept form?
y=mx+b
100
Write the linear equation in point slope form: Slope=-7 ; (4,2)
y-2 = -7(x -4)
200

Is (2, 3) a solution to the equation 6y-3x=6?

Yes

200

What is the y-coordinate of every x-intercept?

0

200
What is the slope of a vertical line?
Undefined
200

Write the equation in slope intercept form: slope=0, y intercept =-5

y=-5

200
What lines have the same slope?
parallel
300

Is (2, 4) a solution to the equation y=4x?

No

300

Find the y intercept of 3x+4y=24

(0, 6)

300
Find the slope of (4,-2) and(-1,2)
What is -4/5
300

Write the equation in slope intercept form: slope=4 and (2,5) is on the line. 

Hint: You will have to solve for b

y=4x-3

300

Perpendicular slopes are...?

opposite reciprocal

400

Tell whether the set of ordered pairs is a function. Explain (2,4), (5,3) (8,2), (11,1)

Yes, all inputs (x-values) are unique

400

Find the y intercept of 3x-2y=12

(0, -6)

400
Find the slope of (20,3000) and (60,2000)
What is -25
400

What is the equation of a line in slope-intercept form with m=3 that goes through (0, 7)?

y=3x+7

400
Write this equation in point slope form & in slope intercept form: slope=-4, (-1,-2)
Point slope form: y+2= -4(x+1) Slope intercept: y=-4x -6
500

The Vertical Line Test tells you if an equation is linear or nonlinear. True or false?

False. The VLT tells you if a relation is also a function

500

Find the y-intercept of 2x + 4y=8. 

(0, -2)

500
Find the slope of the equation: 6x + 5y=30
What is 6/5
500

Write the equation in slope intercept form: 3x+2y=8

y=-3/2x+4 

500
Write the equation in point slope form and in slope intercept form: (1,-4) and (3,2)
Point slope: y-2=3 (x-3) slope intercept: y=3x -7
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