What is the slope of the line that passes through the points (-1, 4) and (2, -3)?
-7/3
100
Solve for B:
4b^3 = 32
a. 2
b. 3
c. 4
d. 5
A
100
The values predicted by the line of best fit are:
A. Exact
B. Approximate
A
100
A cube has a volume of 40 cubic units. What is the approximate length of each side of the cube?
A. 2.3
B. 3.4
C. 4.5
D. 5.6
B
200
What operation does scale factor mean?
Multiply
200
What is the slope of a vertical line?
No Slope/Undefined
200
What is the equation of the line with slope of 4 and y-intercept of -2?
y = 4x - 2
200
Which data will most likely show a negative correlation when graphed on a scatter plot?
A. the distance a student lives from school and the amout of time it takes to get to school
B. The outside temperature and the number of people wearing gloves
C. The number of visitors at an amusement park and the length of the lines for the rides
D. A student's height and grade Point Average
What is B?
200
What are the x and y intercepts for the following equation?
3x + 4y = 12
(4,0) and (0,3)
300
What fraction do you use for dilation?
new/old
300
What is the slope of the line 3y = 2x -3?
2/3
300
Write the equation of a line that contains the points (1,3) and (4, 9).
y = 2x + 1
300
What is happening with the variables in a negative correlation?
One goes up and the other goes down.
300
What is the approximate length of the diagonal of a square if the perimeter of the square is 16 ft?
What is 5.7?
400
The vertices of rectanlge are (0,0), (0,2), (2,4), (2,0). Whcih of the following points is a vertex for the image produced by a dilation with a scale factor of 2?
(0,0), (0,4), (4, 8), and (4,0).
400
If the slope of the line is -4, how do you move?
up 4 left 1
400
Write the equation of a line that has a slope of -1/2 and contains the point (4, 3).
y= -1/2x + 5
400
What do you need in order to predict using a scatter plot?
Line of Best Fit
400
The hypotenuse of a right triangle measures 20.75 in., and one of the legs measures 17 in. What is the approximate length of the other leg of the triangle?
a. 2
b. 7
c. 12
d. 27
c. 12
500
Triangle ABC has vertices at A(2,2) B(2,7), and C(6,3). This triangle is dilated by a scale factor of 1/3. What is the location of point C'?
(2, 1)
500
What is the slope of this equation 2x - 3y = 9
2/3
500
Find an equation of the line passing through the points (0,2) and (5, 8).
a. y= 5/6x + 2
b. y = 5/6x + 8
c. y= 6/5x + 2
d. y= 6/5x + 8
What is c
500
Write an example of a positive correlation.
Up and Up
500
A 70 foot tree has a 35 foot shadow. If the building next to the tree has an 40 foot shadow, how tall is the building?