y=5x+7
What is the slope of a line perpendicular to this?
-1/5
y>5/6x+11
What will the line look like? (Dashed or solid)
Dashed
F(x)=2(x-6)^2 -7
What are the x and y coordinates of the vertex?
(6,-7)
What is the simple formula for an exponential function?
y=ab^x
What is the median?
1,1,2,4,4,4,5,6,6,8,8,9
4.5
y=-2x+15
what is the standard form?
2x+y=15
y<-1/2 and y>x+3
What region should be shaded? (Top, bottom, left, right).
Left region
Solve for a
y=a(x+2)^2 -8
Use this. (2,8)
8.5 or 8 1/2
Exponential growth or decay?
y=(1-0.5)^x
Decay
Find the mean? Round to the nearest hundredth.
4,4,4,5,6,6,8,8,9,9,10,11,11
~7.31
Make a linear equation for a slope of 7, and pass through (9,-1).
y=7x-64
Simplify:
5(2-4x)<30-10x
x>-2
Find the vertex
4x^2 -16x+5
(2,-11)
Exponential growth or decay?
y=(1+0.56)^x
Growth
What kind of data is this?
Test scores:
78,96,88,69,100,93,89,65
Univariate Numerical
Make a linear equation in standard form.
Point 1: (4,7) Point 2: (10,-2)
3x+2y=26
Factor:
x^2 +8x+12
(x+6)(x+2)
What is the range?
32,14,52,6,23,41,27,12,9,10
46
Find the solution
5x+10y=5
-6x+2y=-3
(1,1.5)
Factor:
2x^2 -14x+12
(x-1)(2x-12)
What is the five-number summary?
1,2,2,3,5,5,5,7,8,9,9,10,11,11
Min:1 Q1:3 Med:6 Q3:9 Max:11