Solve for x+7=12
x=5
What letter represents slope in the equation y=mx+b
M
simplify x3 x x4
x7
If y = 2x and x = 3, find the value of y
6
Factor out the greatest common factor (GCF): 4x2 + 8x
4x(x+2)
solve for y: 3y-4=11
y=5
Find the slope of a line passing through (0,0) and (2,6).
3
simplify (y2)5
y10
Solve the system: x + y = 10 and x - y = 4
(7,3)
Factor the trinomial: x2 + 7x + 10
(x+2)(x+5)
solve for a: 2(a+3)=14
a=4
What is the y-intercept of the line y = -2x+7
(0,7)
simplify a8/ a3
a5
Name three common methods used to solve a system of equations.
Graphing, Substitution, Elimination
What are the roots/zeros of (x-3)(x+4)=0
x=3 and x=-4
solve for m: 5m - 2 = 3m + 8
m=5
Write the equation of a line with a slope of 4 and y-intercept of -3
y=4x-3
multiply (x+2)(x+3)
x2 + 5x + 6
Solve by substitution: y = 3x - 1 and 2x + y = 9
(2,5)
Name the algebraic formula used to find the roots of any quadratic equation.
The Quadratic Formula
solve for x: x/3 + 5 = 2
x = -9
What is the slope of a horizontal line?
0
evaluate 50+2-1
1.5 or 3/2
How many solutions does a system of parallel lines have?
no solution
Factor this difference of squares: x2 - 49
(x-7)(x+7)