What test must a graph pass in order for it to be considered a Function?
Vertical Line test
100
What is the sum or product of rational numbers?
rational
100
solve
x+5/12 = x-2/8
16
200
-4( 2 - x) = 24
x = 8
200
Write an equation parallel to y=3/4 x -3 and contains the point ( 0,5)
y = 3/4 x + 5
200
Solve the system of equations
(2x - y = 1) and (5 - 3x = 2y)
x = 1, y = 1
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 formula of a rectangle
If the length is 2 more than 5 times the width.
Area = 5w^2 + 2w
300
find the distance between ( 5,2) and (-2,3)
5 times the square root of 2
300
What is a solution to the inequality x + 2y < 4? (hint Graph it)
Answers will vary
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
For a system to have an infinite number of solutions, what must be true about both equations?
The equations must me the same
400
What is the product of (2 times the square root 8) and square root of 20 in its most simplest radical form?
8 times the square root of 10
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 the new equation of F(G(x)) if
F(x) = 2x^2
G(x) = x+2
2x^2 + 8x +8
500
A 25 ft ladder is leaning against a building and is 3 feet away from the building. How long is the ladder on the building to the nearest hundreth? (hint Pythagorean Theorem)
25.18 ft
500
What function is modeled by this table?
x = 1: 2: 3: 4
F(x)= 8: 11: 14: 17
A) F(x) = x +7 B) F(x) = 2x + 5 C) F(x) = 3x + 5