Find an equation of the parabola described.Focus at (4, 0); vertex at (0, 0)
A. x2 = 4y
B. y2 = 4x
C. x2 = 16y
D. y2 = 16x
Answer: D
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A pet store would like to use a survey to determine which factors are most important to cat owners in determining the brand of cat food that they purchase. ? Decide on a reasonable means for conducting the survey to obtain the desired information.
What will be an ideal response?
Add or subtract.4
- 3
- 
+ 3
A. 13
+ 27
B. 13
- 27
C. -13
+ 27
D. -13
- 27
Solve the problem.A fire truck is en route to an address that is 6 blocks east and 11 blocks south of the fire station. Using the fire station as the pole and the east direction as the polar axis, express the fire truck's destination (i) in rectangular coordinates and (ii) in polar coordinates. Round the coordinates to the nearest hundredth. Express ? in degrees.
A. (i) (6, 11); (ii) (4.12, -61.39°) B. (i) (6, 11); (ii) (4.12, -28.61°) C. (i) (6, -11); (ii) (12.53, -61.39°) D. (i) (6, -11); (ii) (12.53, -28.61°)
Solve. Simplify if possible.Of a family's $752 weekly income, $75 usually goes toward groceries. What is the ratio of the amount spent on groceries to weekly income?
A. 
B. 
C. 
D. 