Does this ordered pair (0, 5) appear on the line of this equation? y=3/4 x -3
No
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 (opposite) 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
Find the square root of 50 by completing the square
5 times the square root of 2
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
What is the slope of a line that is parallel
to y = 3x - 7?
3
400
factor x^2 +11x +21
(x + 3) ( x + 7)
400
What is the quadratic formula and why do you use the quadratic formula?
-b +- the square root of b^2 -4ac divided by 2a
to find the x-intercepts or roots of an equation
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
9q^2 + 3q - 17 = 7q^2 + 2q
2q^2 + q - 17 = 0
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 - 400x
500
What is side length of a square with the area of 86x^2?
9.27x
500
A 25 ft ladder is leaning against a building and is 3 feet away from the building. How high is the ladder on the building?
24.8 ft
500
Find the roots of this equations f(n) = n^2 + 4n - 5