Algebra I Midterm B

At the end of a snow storm, Allison saw there was a lot of snow on her front lawn. The temperature increased and the snow began to melt at a steady rate. There was a depth of 20 inches of snow on the lawn when the storm ended and then it started melting at a rate of 1.25 inches per hour. Write an equation for y, in terms of x, representing the depth of snow on Allison's lawn, in inches, x hours after the snow stopped falling.

• y=-1.25x+20

• y=1.25x+20

• y=20x+1.25

• y=-20x+1.25

Tags

CCSS.HSF-BF.A.1A

Which set of ordered pairs does not represent a function?

• A. {(-4, -1), (-2, 7), (8, -6), (-6, -5)}

• B. {(6, 7), (2, 7), (-7, -5), (-4, -2)}

• C. {(-6, -4), (-5, -9), (-8, 2), (-5, 1)}

• D. {(0, 9), (7, 4), (-5, 1), (-8, 1)}

Tags

CCSS.8.F.A.1

Determine whether the following graph represents a function.

• Not a Function

• Function

Determine the domain of the following graph:

• -11 ≤ x ≤ 1

• -9 ≤ x ≤ 3

• -11 ≤ y ≤ 1

• -9 ≤ y ≤ 3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What are the x-intercepts of the graph? List all of them.

Given g(x) = -5x + 5, find g(3).

• g(3) = 2/5

• g(3) = -12

• g(3) = -20

• g(3) = -2/5

Tags

CCSS.HSF.IF.A.2

Given h(x) = 3x + 1, solve for x when h(x) = 4.

• x = 13

• x = 1/3

• x = 1

• x = 12x + 1

Tags

CCSS.HSF.IF.A.2

Find the value of f(3).

• f(3) = 1

• f(3) = 5

• f(3) = 0

• f(3) = 7

Tags

CCSS.HSF.IF.A.2

The function f is graphed below. Determine if the function is increasing or decreasing on the given interval.

5 ≤ x ≤ 9

• decreasing

• increasing

The function f is graphed below. Determine if the function is increasing or decreasing on the given interval.

2 ≤ x ≤ 5

• decreasing

• increasing

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2