Determine if the graph of the function is concave up or concave down.

1. f (x) = - 4x^2 - 2x - 8

2. y = 2 (x+5) ^2 + 5

3. y = - 1/5 (x+1) ^2 - 1

A rectangle has a perimeter of 71.8 yards and a height of 3.3 yards. What is the length of the base?

Which digit is in the tenths place 314.902

One brand of plastic garbage bags costs $8.99 for 45 bags. A second brand costs $7.75 for 32 bags. If you have a savings coupon for $0.25 for the second brand, which brand will be cheaper per bag?

Write a division story problem with 53 as the divisor and 2491 as the dividend

Which unit is not a customary unit? A. gallon B. ounce C. gram D. cup

Solve this system y=-3x-14 y=2x+6

Solve the system. 0.8x + y = - 9.6 0.2x - 0.3y = 2 A) (-6,0) B) (-12,0) C) (-2,-8) D) (8,-16)

A line has a slope of 7 and a y-intercept of - 15. What is the equation of the line in slope-intercept form? A. Y=7x-15 B. Y=-15x+7 C. Y=7x+15 D. Y=-7x+15

On a number line, between which two consecutive whole numbers would the square root of 70 be located? prove work/show work

If you eat 3 pieces of pizza out of 10 total, how can that be represented by a fraction?