Solve.The equation of a line is y = - 7x. What is the slope of a line perpendicular to it?
A. 0
B. 7
C. - 7
D. 
Answer: D
Mathematics
You might also like to view...
Determine whether the following is always true or not always true. Given reasons for your answers.c(u × v) = cu × cv (any number c)
What will be an ideal response?
Mathematics
Find the perimeter of a rectangle that is 20 centimeters long and 6 centimeters wide.
A. 57 cm B. 54 cm C. 47 cm D. 52 cm E. 49 cm
Mathematics
Find all solutions of the equation. Express the solution in radians.sin x = -1
A. 
+ 2n?
B. ? + 2n?
C. 
+ n?
D. 
+ 2n?
Mathematics
Solve the problem.Suppose that the x-intercepts of the graph of y = f(x) are 9 and 2. What are the x-intercepts of 
A. 63 and 14 B. 2 and -5 C. 9 and -5 D. 16 and 9
Mathematics