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Relations and Functions
Linear Equations
Special Functions
Slope
Ch.2 Random Questions
100
How many quadrants are on a Coordinate Plane?
4
100
Which one is in Standard Form? A) 3x+2y=5 B) 2y+3x=5 C) 5=3x+2y D) 2y=5+3x
A) 3x+2y=5
100
For Relation Functions, if f(x)=3, what is f(x) if x= -0.5
3
100
What is the slope for the points (-1,4) and (1,-2)
-6/2 or -3
100
If a=-1, b=3,c=-2,d=0 c+2d=?
-2
200
For a Relation Function,if y=2x+1, what is the output for the input -23 x y -23 ?
-45
200
Put in Standard Form 5=3x+2y
3x+2y=5
200
For Relation Function, if f(x)=x, what is f(x) if x= 23
23
200
Slope measures what
How steep a line is
200
Simplify 2(x-3)
2x-6
300
For a Relation Function, if x=y^2-2 what is the input for the output -2 x y ? -2
2
300
Is this equation linear? x+y=5
Yes
300
For Relation Functions, if f(x)=lxl, what is f(x) if x= -3
3
300
Slope is the Ratio for ?
Change in Y-coordinates to the change in X-coordinates
300
If a=-3,b=4,and c=-1 2a(b-2c)=
-6
400
Is this a Function? x y 5 -2 10 -2 15 -2 123 -2
Yes
400
What is the Y-intercept for 10-2x=2y A) 2 B) 5 C) 6 D) 10
B) 5
400
What is this function called? f(x)=lxl
Absolute Value Function
400
What is the equation for slope
y2-y1/x2-x1
400
Simplify 2x(2x+x+3)
4x^2+2x^2+6x
500
For a Relation Function, if y=-x+(3x+1) what is the input for the output 9
4
500
Which is the Y-intercept for 600+4x=4y A) 600 B) 150 C) 100 D) 4
B) 150
500
What is this function called? f(x)=x
Identity Function
500
Find the slope for the points (6,1) and (8,-4)
-5/2
500
Solve (2x-3)(3x+6)
6x^2+18x-9x-9