Solve for a: 5+14a=9a-5
a=-2
Solve with desmos: y=x-4 and x+y=10
(7,3)
Factor out the GCF: 5x-35
5(x-7)
What is the y-intercept: y=2x+8
8
Factor by grouping: y3+y2+2y+2
(y+1) (y2+2)
Solve to find the solution: y=-x+6 and y=3x-2
(2,4) Infinite Solutions
Solve with desmos: 2x+y=11 and y=3x-9
(4,3)
Factor out the GCF: -10x2+60x
-10x(x-6)
What is the x-intercept: 2x=7y-9
-4.5
Factor by grouping: 2ab+14a+b+7
(b+7)(2a+1)
Solve for x: 2(x-5)=5x+23
x=-11
The first step in solving by substitution is solving for a variable. Solve for x: -4x-5y=-17+45y
x=4.25-12.5y
Factor: 17x2+51x
17x(x+3)
What are the zeros? Plug into desmos: 2x2+9x-5
x=-5 x=.5
Factor by grouping: 35uv-15u4+49v-21u3
(7v-3u3)(5u+7)
Solve for a: 4(2a+3)=-3(a-1)+31
a=2
Solve with substitution and find the solution: 2x-y=-4 and 6x-3y=-12
-12=-12 Infinite Solutions
Factor: 18m2n4-12m2n3+24m2n2
3m2n2(6n2-4n+8)
What point is the vertex? Plug into desmos: 2x2+12x+25x
(-9.25, -171.125)
Factor the trinomial: x2-7x+10
(x-5)(x2-2)
Solve for x: 3(3x-8)-5(3x-8)=4(x-2)-6(x-2)
x=3
Solve with substitution: y=13x+28 and 5x+15=30
(3,67)
Factor: 36t5+40t4-160t3-20t2
4t2(9t3+10t2-40t-5)
What is the axis of symmetry? Plug into desmos: 2x2+17x-9
-4.25
Factor the trinomial: 5x3-40x2+60x
5x(x-6)(x-2)