Find the constant of variation for the relationship described in the table.

x f (x)

-2 - 60

1 30

4 120

5 150

90

30

f (x)

x

g Prove that for any integer n, n is divisible by 3 iff n 2 is divisible by 3. Does your proof work for divisibility by 4 - why or why not? Identify the kind of proof steps you used, and why.

Is 3 a solution to the equation 6x - 7 = 12?

Annie plants 6 rows of small flower bulbs in a garden. She plants 132 bulbs in each row. How many bulbs does Annie plant?

The absolute value of a number can be positive or negative.

13. Write y = x2 + 4x - 5 in vertex form. Then identify the vertex.

What angle do the minute and hour hands of a clock make at 8:00

What is the least common multiple of 7 and 8

On a coordinate plane, a straight line with a negative slope, labeled f of x, crosses the y-axis at (0, 4), and the x-axis at (4, 0). Which is true regarding the graphed function f (x) ? f of 0 = 3 f of 5 = negative 1 f of 3 = 2 f of 2 = negative 2

Which of the following is a solution to: x2 + 8x=-12

What is the difference between direct and indirect distribution?