What's the common ratio of the sequence 10, 15, 22.5, 33.75, ...
r=1.5
100
If 10 girls in class like football, and 5 like basketball, 7 boys like football, and 3 like basketball, what percent of basketball fans in class were girls?
62.5%
200
-4( 2 - x) = 24
x = 8
200
What is the 21st term in the sequence -11, -9, -7, -5, ...
29
200
factor x^2 - 49
(x + 7)(x - 7)
200
simplify
square root of 24 x^3 y^2
2xy times the square root 6x
200
Paco went to the movies. He spent a total of $50.
He spent $10 on food and saw 8 movies. How much did each movie cost?
5
300
4x + 3( x-2) = 5x - 20
x = 7
300
What is slope of equation perpendicular to 2x -5y = 6
-5/2
300
Find the area of a rectangle if the length is 2 more than 5 times the width.
5x^2 + 2x
300
Simplify the product of the squareroot of 12 and two times the squareroot of 3. Is the product rational or irrational?
12; rational
300
You purchase a stereo system for $830. The value of the stereo system decreases 13% each year. What is the value of the system after 3 years?
$546.56
400
-2x + 3 < 5x -4
x > 1
400
Which is an equation of the line containing the points (-1,5) and (3,9)?
y = x+6
400
factor 2x^2 -11x -21
(2x + 3) (x - 7)
400
What is the range of the function f(x)=3(2)^x given the domain {-2, -1, 0, 1, 2}?
{0.75, 1.5, 3, 6, 12}
400
At a baseball game, Jose bought five hot dogs and three sodas for $17. At the same time, Allison bought two hot dogs and four sodas for $11. Find the cost of one hot dog and one soda.
hot dogs $2.50
soda $1.50
500
Find 3 consecutive integers whose sum is 48.
15,16,17
500
A business purchases a computer for $2000. The value of the computer depreciates $400 per year. Which linear equation gives the value y of the computer after x years?
y = 2000 - 400 x
500
What is volume of a rectangular prism with a length of
2x+5, a width of 3x, and a height of 4x - 1.
24x^3 - 66 x^2 - 15x
500
What function models the set of points {(-3,4), (-2,2), (-1,1), (0,0.5), (1,0.25)}?
f(x)=0.5(0.5)^x
500
Find the roots of the equation 3x^2+4x-15=0 using the quadratic formula.