Algebra Basics
The property that says 3 + 4 = 4 + 3.
Commutative Property of Addition
The variable that represents slope in y=mx+b.
m
The property that says 3(x+2)=3x+6.
distributive property
Set up an inequality: participants must be less than 12 years old to play.
a<12
True or False: A linear function's graph has a curve.
false
Simplify 4y+y.
5y
The formula for finding slope given two points.
(y2-y1)/(x2-x1)
or
(y1-y2)/(x1-x2)
Simplify 2a-13a+5.
-11a+5
Solve for x: b-9>8.
b>17
Linear functions have a constant ___________.
slope
Simplify (b+8)5.
5b+40
the negative reciprocal of 5/2
-2/5
Solve for x: x/3=2.
6
Solve for x: x/4<-6.
x<-24
This is the same for parallel lines.
slope
Simplify 2+3d+2d.
2+5d or 5d+2
The slope of the line that passes through points A(0,1), B(2,7).
3
Solve for x: 3x+5=14.
3
Solve for x: 2x+3>7.
2
The y-intercept of the function y=-2x+1.
1
Simplify 6n-7n-4+2n.
n-4
The slope of the line that passes through points (-2,3), (7,-4).
-7/9
Solve for x: 3x+7=2x.
-7
Solve for x: -2x+7<17.
x>-5
The slope of the function 2x+y=3.
-2