8x2 + 8 + 6x2 + 7
14x2 + 15
x(x)
x2
- 17 = - 6b + 5b
b=17
Slope and Y-intercept?
y = - 6x - 3
Slope = -6/1
Y-intercept = -3
What is the solution?
x+y=4
x-y=2
(3,1)
(6r3 + 9) + (5r3 - 2 + 8r2 )
11r3 + 8r2 + 7
x2(x3)
x5
- 33 = 3 + 9(v - 2)
v=-2
Slope and Y-intercept?
-4x + 3y = -6
Slope = 4/3
Y-intercept = -3/2
What is the solution?
(-2, 0)
(3x2 - 5x5 ) - (9x5 - 8x2 )
- 14x5 + 11x
x4/x2
x2
147 > 3 h + 4 h
h < 21
Write an equation from the graph:
y = 3/2x+3
What is the solution?
(3, -3)
(12x2+5x+11)-(10x2+3x+2)
2x2+2x+9
x5/x4
x
- 6 d + 2 d < 32
d > -8
Write an equation from the graph:
y = 2x - 4
What is the solution?
4x+3y=15
2x+3y=11
(2, 7/3)
(y+7)(y2+10)
y3+7y2+10y+70
(x3)3
x9
Keith spent half of his allowance going to the movies. He washed the family car and earned nine dollars. What is his weekly allowance if he ended with seventeen dollars ?
$16
-5(-3 + 2n) + 9n use n = -3
18
What is the solution?
-5x + y = -3
-5x - 8y = 24
(0 , -3)