If the area of a rectangular plot of land is x^2 +10x + 16, what are the dimensions in terms of x. (Hint: factor)
(x + 8)(x + 2)
100
Sara makes $10 per hour and gets an automatic commission of $50 each week. The equation is g = 10h - 50,where h, is the number of hours worked and g is the gross pay. What is the dependent variable?
g
100
what does the inequality > represent when the graph is in the coordinate plane?
greater than, dotted line and shaded above the graph
200
Given f(x) = 4x - 1/2, what is the y-interept?
-1/2
200
Write an equation of the line that transforms y=3/4 x -3 up 4 units
y = 3/4 x + 1
200
What is the parent function of y = x^2 - 4x + 4
y = x^2
200
Which of the situations represents a function?
a. {(1, 2) (2, 2) (-1, 2)}
b. {(2, 3) (3, 2) (-2, 3)}
c. {(4, 5) (-4, 5) (5, 4)}
d. all of these
D
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
The graph of the line p represents y = -3x + 4. If the slope of the line is multiplied by -2 to create another line, what is the equation of the new line
y = 6x + 4
300
Solve for the variable -3(x + 2) = 6
x = -4
300
What shape does a parabola with a minimum value make?
U
300
How would you determine if a graph is a function?
passes the vertical line test
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
If the graph of f(c) = c^2 - 2x + 4 is moved up 5 units, what is the equation of the new line?
f(c) = c^2 - 2x + 9
400
What is the parent function for a linear equation?
y = x
400
Given y = x^2 - 49, what are the zeros of the solution
x = -7 and x = 7
400
If g(x) = 2x - 10, what is g(5)?
0
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
The set of ordered pairs below represents the points on the graph of f. {(0, -5) (1, -4) (-5, 20)}, What is the parent function of this equation?
y = x^2
500
A business purchases a computer for $2000. The value of the computer depreciates $400 per year. Write a linear equation that gives the value y of the computer after x years?
y = 2000 - 400 x
500
State the vertex of the function -6x^2 -24x-25
(-2,-1)
500
If g(x) = 2x, what is x if g(x) = 10?
5
500
What is the vertex of the graph f(x) = x^2 + 6x + 10