Functions
Does this set of ordered pairs represent a function? Why or why not?
(0, 2) (1, 3) (2, 4) (3, 5) (4, 6)
Yes because x doesn't repeat
What is the solution to this system?
y = -2x + 7 and y = x - 2
(3, 1)
What is the 3rd planet from the sun?
Earth
Find the slope and the y-intercept of the equation
y = -5x + 7
Slope is -5 and y-intercept is 7
Write the polynomial in standard form.
2x4 - 7x - 5x2 + 6x3
2x4 + 6x3 - 5x2 -7x
Does this set of ordered pairs represent a linear function, an exponential function or a quadratic function?
(1, 2) (2, 4) (3, 8) (4, 16) (5, 32)
Exponential
What is the solution to this system?
y = 4 and x = -2
(-2, 4)
Who was the 3rd president of the United States?
Thomas Jefferson
y = -2/3x + 4
Start at 4 which is the y-intercept and go down 2 and over 3 (to the right)
Find the GCF of the polynomial
11xy5 + 33x2y4
11xy4
What is f(3) for the function f(x) = 2x2 - 12?
6
What is the solution to this system?
y = 2x and y = -x + 6
(2, 4)
What are the names of Mr. Lenox's kids?
Kenzie and Maddie
Find the slope of the line between these two points
(7, -3) and (7, 5)
Undefined
What are the next three terms in the sequence?
-2, 6, -18, 54 ........
-162, 486, -1458
If f(x) = 3x and g(x) = f(x) - 7, what transformation happened to the function?
Moved down 7
What is the solution to the system?
y = x2 + 3x -7 and y = 1/2x + 2
(-4.5, -.25) and (2, 3)
What state is Washington DC in?
It's not in a state. It is close to Virginia and Maryland.
What is the slope of this equation
y - 3 = -1/4(x + 2)
-1/4
Factor the expression
2x2 + 5x - 3
(2x - 1) (x + 3)
If f(x) = |x| and g(x) = - |x + 2| + 3, what three transformations happened to the function?
Turned upside down, moved 3 up, moved 2 left
What is the solution to this system?
2x + 4y = -8 and y + 5 = -1/2(x - 6)
Infinitely Many Solutions
What is the second-most populous city in Ohio?
Cleveland
What is the slope of this equation?
4x - 8y = -32
1/2
What is the Interquartile Range for this data set?
12, 8, 7, 9, 10, 8, 13, 10.5
3.25