Order the functions p(x)=7x^2, q(x)=0.4x^2, and r(x)= -13x^2 from narrowest to widest
What is -r(x)= -13x^2, p(x)=7x^2, q(x)=0.4x^2
100
Finish solving:
(n-9)(n+11)
What is x=9 or x=- -11
100
x^2 + 10x = 39
What is x=3;x= -13
100
x^2=64
What is +or- 8
200
Put the following equation into the quadratic formula:
6x^2+5x-4
What is -(5)+-sqrt (5)^2-4(6)(4)/2(6)
200
what is the domain for a quadratic equation?
What is any real number?
200
Solve by factoring:
x^2+2x-15=0
What is x=-5 or x=3
200
Solve by completing the square
x^2-6x+9=25
What is x= -2; x=8
200
Atlas globe Co. wants to produce a globe with a surface area of 900in^2. The surface area is given by the formula A=4(pi)r^2, where r is the radius of the sphere. What should the radius be?
What is 8.5
300
Solve.
-5+-sqrt25+96/12
What is -4/3
300
-b/2a
What is the vertex
300
Solve by factoring
x^2-3x-10=0
What is x= -2 or x=5
300
(b/2)^2
What is the main formula for actually completing the square
300
7c^2=91
What is +or- radical 13
400
Plug in the values for the quadratic formula
a= 1
b= -2
c= 8