Simplify. Keep your answer as an exact value.
sqrt(28
2sqrt(7)
Solve for x.
abs(2x-6)=20
x=13, x=-7
Given the equation, find f(-3).
f(x)=-5x^2+9
-36
Given the sequence, what is the next term?
-87,-67, -47
-27
Simplify. Keep your answer as an exact value.
sqrt(27)
3sqrt(3)
Solve for x.
(-3x+18)/8=3
x= -2
Given the equation, find g(9).
g(x)=sqrt(12x-8)
10
A car was purchased for $40,000 and is decreasing in value by 12.5% each year. Write an equation to represent the situation.
y=40000(0.875)^x
Simplify. Keep your answer as an exact value.
sqrt(96)
4sqrt6
Solve for x.
6x^2-8=16
x=2, x=-2
Given the equation, find f(x)=77.
f(x)=2x+36
x=20.5
Find the solution(s) to the equation.
(2x-5)(x+8)=0
x=2.5 and x=-8
Simplify. Keep your answer as an exact value.
sqrt(252
6sqrt(7)
Solve for x.
sqrt(2x+39)-5=7
x=52.5
Given the equation, find g(x)=100
g(x)=4x^2
x=5 and x=-5
Identify the vertex of the given equation.
y=x^2+10x+45
(-5,20)