Linear Equations
Do not forget to use the formula y-y^1=m(x-x^1)
slope:3
Point: (1,1)
y=3x-4
|x-2|=6
8,-4
Simplify
7x^2-7x+9
+ 3x^2+9x-10
10x^2+2x-1
Solve the equation by finding square roots
x^2-144=0
x=-12,12
Graph and find points of the system.
y=-5x+3
y=-x-1
(1,-2)
Do not forget to use the formula y-y^1=m(x-x^1)
Slope:-4
Point: (-1,-3)
y=-4x-7
|x+4|=9
5,-13
Add the polynomials
(5x^2-5x+4)+(9x^3-8x)
5x^2+9x^3-13x+4
Solve the equation by graphing the related function.
1/8x^2-8=0
x=-8,8
Graph and find the points of the systems.
y=2x
y=-x+9
(3,6)
Do not forget to use the formula y-y^1=m(x-x^1)
Slope:-1/9
Point: (-9,6)
y=-1/9x+5
|-4x|=20
-5,5
Subtract the polynomials
3x^2-5x+8
- (8x^2+2x-2)
-5x^2-7x+10
Solve the equation by finding the square roots.
a^2=361
a=-19,19
Graph and find points or no solution or infinite.
y=-2x+3
2x+y=-9
No solution
Do not forget to use the formula y-y^1=m(x-x^1)
Slope: undefined
Point: (-4,-8)
x=-4
5+|x-3|=19
17,-11
The perimeter of a triangular park is 18x-5. What is the missing length?
The other two sides of the triangular park is 5x-4 and 4x+1.
9x-2
Solve the equation by finding the square roots.
4a^2+64=0
Solution is not a real number
Graph and find points or no solution or infinite.
y-3x=3
6y=18x+18
Infinite Solutions
Do not forget to use the formula y-y^1=m(x-x^1)
Slope:-11/4
Point: (4,-4)
y=-11/4x+7
3|6-4x|=54
-3,6
Find the Product
3y^5(4y^2-2y+4)
12y^7-6y^6+12y^5
Solve the equation by finding the square roots.
1/2t^2-16=0
t=5.7,-5.7
Find the solution
y=-4x+36
2y-x+9=0
(9,0)