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"You Positive?" "Negative, Ghost Rider."
Slope Schtuff
Solving For That One Letter
Hittin' the Sales
Expoooooonents
100
6 - 14
-8
100
To determine if the slope of a line is positive or negative, you "read" it from which direction to which direction?
Read from left to right.
100
Solve for x --> 3x=12
x = 4
100
What is 10% of $4?
$0.40
100
Simplify 43 x 45
48
200
- 3 + 5
+2
200
What is the format for the equation of a line in slope-intercept form?
y = mx + b
200
4x + 2 = 18
x=4
200
What is 25% of $36?
$9
200
78/72
76
300
- 2 - 3
-5
300
Name all three formulas for slope.
m=Rise/Run ; m=Change in y/Change in x ; m=y2 - y1/x2 - 1
300
12p - 30 = 42
p = 6
300
What is 5% of $350?
$17.50
300
89 x 72
89 x 72
400
6 - (-4)
+10
400
Find the slope of a line that passes through (2,-3) and (4,1).
+2
400
5c + 2 = 12c - 19 a) c=3 b) c=7
a) c=3
400
Cameron wanted to buy Air Force Ones. He found them online for $95. Foot Locker is selling them for $112, but is having a 10% discount on all shoes. Where -- online or at Foot Locker-- is the cheapest place for Cameron to buy Air Force Ones?
Online --> It's $5.80 cheaper.
400
710 x 23 x 29
710 x 212
500
-9 - (-12)
+3
500
Find the slope of a line that passes through (-7,-5) and (-2,-3).
+2/5
500
10k + 10 = 11k + 8
k=2
500
Attention Belk Customers!!! Armani purses are on SALE for 27% off! If an Armani purse usually costs $240, how much money would you save* if you bought your purse at Armani?
You would save $64.80
500
312 x 63 x 68

34 x 64

38 x 67