Slope/Rate of Change
Proportions
Miscellaneous
Vocabulary
Write an Equation (Slope-Intercept Form)
100
Determine the rate of change
y=2/3x+5
2/3 is Slope
100
If y=4 when x=16, find x when y=7
x=28
100
Raylynn has an electrical issue at her house. The electrician charges $200 per hour and $125 diagnostic fee. Write the equation and determine if this scenario is proportional or non-proportional.
y=200x +125. Non-proportional
100
What is (0,0) called?
Origin
100
Slope: 3/5
Y-intercept: 6
y=3/5x+6
200
What is the slope?
m: -1/5 Y-intercept: 4
-1/5 is Slope
200
If y=-18 when x=12, Find y when x=-36
y=54
200
What day is your test?
Tuesday
200
What is y=mx+b?
slope-intercept form
200
m: 5/7
Y-intercept: -8
y=5/7x-8
300
What is the slope of the line containing the points (2,3) and (4,6)
3/2 is Slope
300
Find y when x=40, if y=12 when x=60
y=8
300
Find the slope using similar triangles.
2/3
300
What is (12,0) called?
x-intercept
300
Write the equation in slope intercept form.
y=30x
400
Johnny paid $3 for 6 muffins. Find the unit rate for the muffins.
.50 per muffin
400
If x=4.5 when y=22.5, what is x when y=60
x=12
400
17.77 or 17.8 gallons
400
The y-intercept such as (2,0) crosses ___________.
y-axis
400
Put into a table: (1,6) (2,10) (4,18), Write in slope-intercept form
y=4x+2
500
Find the slope from the points (5, -7) and (2, -7)
0 or zero
500
Do the following points create a proportional graph?
(2,5), (7,7),(0,0),(12, 9)
goes through the origin at (0,0)
500
50 mm
500
What type of relationship does k=y/x or y=kx form?
Proportional
500
Write an equation in slope-intercept form using m=-4 and going through (0,7)
y=-4x + 7