equations
3x - 15 = -21
-2
What is the slope of 2x + 3y = 6
-2/3
factor x^2 +10x + 16
(x + 8)(x + 2)
Give an irrational number between 5 and 6
The square root of any number greater than 25 or less than 36 will yield an irrational number between 5 and 6.
Solve: 4x + 4 = 4(x - 4)
no solution
-4(2 - x) = 24
x = 8
Write an equation parallel to y = (3/4)x - 3 and contains the point (0,5)
y = (3/4)x + 5
factor x^2 - 49
(x + 7)(x - 7)
simplify: √(24(x^3)(y^2))
(2xy)•√(6x)
Paco went to the movies. He spent a total of $50. He spent $10 on food and saw 4 movies. How much did each movie cost?
$10
4x + 3(x - 2) = 5x - 20
x = 7
What is slope of the equation perpendicular to 2x - 5y = 6 ?
-5/2
Find the area of a rectangle if the length is 2 more than 5 times the width.
5x^2 + 2x
If a rectangle has an area of 12(x^5)(y^3) and a length of 3(x^2)y, what is its width?
4(x^3)(y^2)
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
2x + 3 < -5x - 4
x < -1
Which is an equation of the line containing the points (-1,5) and (3,9)?
y = x + 6
factor 2x^2 -11x -21
(2x + 3)(x -7)
Write out the quadratic formula and describe when it can be used.
x=(-b ±√((b^2)-4ac))/2a
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.
$2.50 per hot dog, $1.50 per soda
Find 3 consecutive integers whose sum is 48.
15, 16, and 17
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
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
Simplify the following: (9(x^10)(y^4))^(5/2)
243(x^25)(y^10) ?
Find the solution to the system of equations:
7x + 3y = 10
5x - 3y = 14
(2, (-4/3))