Linear Equations and Functions
What type of function is a straight horizontal line on a graph?
Constant
What’s the formula for finding the volume of a cylinder?
Pi times Radias2 times Height
A translation means that a point(s) are being what?
Moved
Solve if x=3
f(x)=5x+x3
42
Solve
(5x+2)(2x+7)
10x2+39x+14
What type of function is a straight diagonal line on a graph?
Linear
How do you find sine?
Opposite/Hypotenuse
How many points can a shape be rotated around at a time?
1
Solve if x=4
f(x)=x2+53
141
Solve
(2x+3)(5-x)
7x+15-2x2
What type of function is not a straight line on a graph?
Non-linear
How do you find cosine?
Adjacent/Hypotenuse
If a shape in quadrant 2 is being reflected across the x-axis what quadrant would it be in?
Bonus- 500 Points
Do the above with the point (-5, 9)
Quadrant 3
Bonus- (-5, -9)
Solve if x=8
f(x)=x2+5x
104
Solve
(x-3)(2x-9)
2x2-15x+27
How do you find slope?
Rise/Run
How do you find tangent?
Opposite/Adjacent
What is another name for a dilation?
Scale Copy
Solve if x=9
f(x)= x2-7x
18
(4-3x)(6x+2)
18x-18x2+8
What is the slope-intercept equation?
Bonuses- 500 Points Each
1. What does m stand?
2. What does b stand?
y=mx+b
Bonuses
1. Slope
2. y-intercept
How do you find the sum of the interior angles of a shape?
(S-2)180
S=Number of Sides
If a square is dilated by a scale factor of 3 from the origin, where would the point (3, 2) be after the dilation?
(9, 6)
Solve if x=13
f(x)=9x+8x
221
What does FOIL stand?
First
Outside
Inside
Last