Functions
The x-intercept of the line 6x - 3y = 24
What is 4?
The slope of f(x) = -2x + 3
m = -2
The midpoint of (-3, -3) and (-5,-4)
What is (-4, -3.5) or (-4, -7/2)
The length of a rectangle is 4 inches more than the width. The area of the rectangle is 45 inches2. The width of the rectangle.
What is 5?
The y-intercept of f(x) = 9x2 - 54x - 144.
What is - 144?
Sarah and Mary are driving to a city that is 120 miles away from their house. They have already traveled 20 miles and they are driving at a constant rate of 50 mi/h. A reasonable domain is what?
x < 2 or what is 2?
The segment has an endpoint at (2, 4) and a midpoint at (4, -2). The other endpoint
What is (6, -8)?
A rock breaks loose from a cliff and plunges towards the ground 400 feet below. The distance "d" & "t" for seconds given d(t) = -16t2 + 400. The rock will hit the ground when?
What is t = 5 seconds?
The function g(x) = 19.60 + 1.74x; when g(30)
What is 71.8?
A wildlife biologist determines that there are approximately 200 deer in a region of a national park. The population grows at a rate of 7% per year. The model for expected population.
What is y = 200(1.07)x or f(x) = 200(1 + 0.07)x
The vertices of quadrilateral WXYZ are W(-5, 5), X(-3, 8), Y(6, 2) and Z(4, -1). Is it a Trapezoid, a Square, a Rhombus, a Rectangle.
What is a Rectangle?
f(x) - g(x) when f(x) = 2x2 + 4x - 9 and g(x) = 3x2 + x + 2.
What is -x2 + x + 2?
The value of "x" where the the two functions f(x) and g(x) intersect;
f(x) = 3x + 7 and g(x) = 2x + 12
What is 5?
A business purchases a computer system for $3,000. The value of the system decreases at a rate of 15% per year. The value of the business after 4 years.
What is $1,566.02 or $ 1,566.00
On the map, city "Q" is located at the point (35, 78), and city "R" is located at the point (47, 122). The halfway point is what?
What is (41, 100)?
The maximum height of the cannonball for h = -16t2 + 128t. Hint: find the vertex.
h = 256 ft or (4, 256)
A club begins with 3 members. Each month, each member brought one new member. The function for x months after the club began.
What is y = 3(2)x or f(x) = 3(2)x?
The value of f(-2) when f(x) = 3x2 - 5 divided by 2.
what is 3.5?
What is y = -x + 12?
A toy rocket is launched vertically upward from the ground with an initial velocity of 128 feet per second. h = -16t2 + 128t. The maximum height is what? Hint: set the equation to equal zero.
t = 8 seconds