15: Is the relation (2,4) (3,5) (2,7) (5,1) a function?
What is no.
100
What is the formula for volume of a cone?
What is 1/3 * pi*r^2*h
100
9: A line has an equation of y=4/3x+15, and a parallel line is found. What is the slope of the second line? Why?
What is 4/3, because parallel lines have the same slopes.
200
2. Kennedy is saving money at a rate of $30 per week, but he owes his dad $120. His goal is to save $195 total. Which of the following equations would show this situation?
What is Y=30x-120
200
8. A line contains the points (-4,8) and (-2,-12). What is the slope of the line?
What is -10.
200
Explain, in your own words, the vertical line test.
What is...
200
19: what is the area of the shaded piece?
What is 99.
200
#10. A line has a slope of 8. An intersecting line has a slope of -1/8. What is the relationship between those two lines?
What is perpendicular?
300
4. Write a function to model this situation: Johnny runs a store that cost him $85,000 to open, but makes $125 per day.
What is c. y=125x-85,000
300
What is the slope of a line if you go down 2 and left 5?
What is 2/5
300
Linear or non-linear: 22. 2x^2+2y=7
What is No.
300
19 continued. What is the area of the entire shape?
What is 289
300
What is the x-intercept of the line 3x+7y=21?
What is (7,0)?
400
23. 4y+3z=418
What is Yes, it is linear.
400
What is the volume of a sphere with radius 2 inches?