Systems
Is (0,2) a solution to the system:
2x+5y=10
4x+6y=12
Yes
Name the following polynomial:
4x+2
Linear Binomial
Is the following exponential growth or decay?
m(x)=4(1/3)x
Decay
What is the invisible line that splits a parabola in half called?
Axis of Symmetry
Factor: x2 - 64
(x+8)(x-8)
Is (1.5,0) a solution to the following system:
6x-7y=9
3x+10y=19
No
Simplify the following polynomials:
(5x2+4x-2)+(x3+x-4)
x3+5x2+5x-6
w(x)=0.2(4)x
Growth
What are the x-intercepts and y-intercept of f(x)=x2+2x-8
x-ints: (-4, 0) and (2, 0)
y-int: (0, -8)
Factor: x2-7x+10
(x-2)(x-5)
Solve the following system by substitution:
6x+7y= -3
y= -3x-9
(-4, 3)
Simplify the following polynomial:
5(3x2-4x+1)-(2x2+x-6)
13x2-21x+11
What is the percent of change in the following function:
y=100(1.25)x
25%
Convert y= -3(x+1)2+4 to standard form.
y= -3x2-6x+1
Factor: 3x3-9x2-4x+12
(3x2-4)(x-3)
Solve the following system by elimination:
-x+2y=4
5x-3y=1
(2,1)
Simplify the following:
(2x+3)(4x-1)
8x2+10x-3
What is the percent of change in the following function:
y=250(0.42)x
58%
What are the x-intercepts of f(x)=x2-7x+10?
(2, 0) and (5, 0)
Factor: (50x2-32)
2(5x+4)(5x-4)
Solve the following system:
y=x+5
y=2x-7
(24, 3)
Simplify the following:
(x+3)(x2-4x+5)
x3-x2-7x+15
A new car costs $40,000. The value of the car is expected to depreciate at an average rate of 12% per year. Find the value of the car in 8 years.
$14,385.38
What are the x-intercepts of y=4x2-5x-6?
(2, 0) and (-3/4, 0)
Factor: 4x2-13x+10
(4x-5)(x-2)