Number Sense
What is the slope of the line represented by the equation below? y = 1/2 x + 3
1/2
what is 4 x〖10〗^4 x 300
1.2 x〖10〗^7
what is y=mx+b
equation of a line
Find the volume of a sphere with a radius of 4 centimeters. Leave your answer in terms of pi.
256/3 pi
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 6.6 x 10^4 divided by 22 in scientific notation
3x10^3
What do you call a number multiplied by a variable? (For example, in the equation 3x - 12 = 14, the 3 is called the . . . )
coefficient
6x - 4 + 2(5x + 2) = 16x
infinite
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
The area of a square is 49 square inches. What is the length of one side of the square?
7 inches
What do you call angles that are in between a pair of parallel lines and on opposite sides of the transversal?
alternate interior angles
Solve this equation
1/2(7x - 6) = 6x - 10
x = 2.8
2.25 * 10^33
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
Evaluate: (〖(2〗^2 )^3)/2^4
4
What do we call the "starting point" of a linear relationship?
y-intercept
Is this a function? Why or why not?
Input Output
0 5
2 8
5 0
8 8
2 8
3 8
0 0
No - the input of 0 has more than one output.
Between what two whole number is √78
Which integer is it closer to?
9
A cylinder has a diameter of 12 inches and a height of 3/4 foot.
The cylinder is scaled by a factor of 3. What is the volume of the new cylinder? Leave your answer in terms of pi.
8748pi cubic inches
or
5.0625 cubic feet
Sketch a graph that shows a negative, non-linear association, with clusters and one outlier.
Answers will vary.
Define a function
Every input has only one output.
Lin and Diego are drinking milkshakes. Lin starts with 12 ounces and drinks 1/4 ounce per second. Diego starts with 20 ounces and drinks 2/3 ounce per second.
After how many minutes will Diego and Lin have the same amount of milkshake left to drink? How many ounces will that be?
After 19.2 minutes they both have 7.2 ounces left.