Number Sense
What is the slope of the line represented by the equation below? y = 1/2 x + 3
1/2
What is the y-intercept of this equation?
y = 1/2x - 8
-8
Solve this equation:
4x - 2 = 3(x + 4) - 8
x = 6
John knows two of the angle measures of triangle PQR. Angle Q is 75 degrees and angle R is 51 degrees. What is the measure of angle P?
54 degrees
What is the slope between these two points:
(9, 5) and (7, 12)
-7/2
What is the point where a graph crosses the y-axis?
y-intercept
Answers will vary
Verizon charges a $10 line fee plus $.05 per text and AT&T charges a $7 line fee plus $.10 per text. At how many texts will both companies charge the same?
60 texts
How many solutions does this system of linear equations have?
y = 3/4x - 12
y + 4 = 1/4(3x - 32)
infinite
What is a function?
A relationship where each input has only one output.
Draw a scatterplot with a negative, non-linear association with no clusters, and one outlier.
Answers will vary.
Between what two whole numbers is √89?
Which whole number is it closer to?
9 and 10
9
At her job, Alexa is paid $12.00 per hour. When she drives her car for work she is paid an additional 32.5 cents per mile. What expression can be used to find the amount she is paid, in dollars, when she works h hours and drives m miles in her car?
12 h + 0.325m
What is the equation of the line that passes through these two points:
(4, 5) and (-2, 6)
y - 5 = -1/6(x - 4)
y - 6 = -1/6(x + 2)
When performing transformations, a "turn" is called a __. A "flip" is called a _____, and a "slide" is called a _____.)
rotation
reflection
translation
Cylinder A has a volume of 200pi cubic inches.
Cylinder B has the same height as cylinder A, but it's radius is 3 times the radius of Cylinder A.
What is the volume of Cylinder B?
1800 pi cubic centimeters
Find the difference. Write your answer in scientific notation:
(1.8 * 10^-8) - (9.7 * 10^-10)
1.703 * 10^08
A sphere has a diameter of 12 centimeters. What is it's volume? Leave your answer in terms of pi.
288pi cubic centimeters
Students are selling grapefruits and bags of almonds for a fundraiser. The grapefruits cost $1 each and a bag of almonds cost $10 each. They sold 100 items and made $307. How many of each item did they sell?
77 grapefruits and 23 bags of almonds
Define a dilation
a transformation in which each point on a figure moves along a line and changes its distance from a fixed point. The fixed point is the center of the dilation. All of the original distances are multiplied by the same scale factor.
Is this a function? Why or why not?
Input Output
0 0
2 0
3 3
4 8
2 0
3 4
4 8