Select all of the following equation (s) that are quadratic in form.

x4 - 6x2 - 27 = 0

3x4 = 2x

2 (x + 5) 4 + 2x2 + 5 = 0

6 (2x + 4) 2 = (2x + 4) + 2

6x4 = - x2 + 5

8x4 + 2x2 - 4x = 0

Which situations can be represented by a linear function? Select each correct answer. Every day, the number of bacteria in the dish is 3 times what it was the previous day. Every year, Luisa puts $10 into her savings account.

Allison is preparing her applications for college. She will apply to three community colleges and has to fill out four parts to each of those applications. She will apply to three four-year schools, each of which has a seven -part application.

X + 4 (x + 5) = 40 answer this

It took Ellen 6 hours to ride her bike a total distance of 120 miles. For the first part of the trip, her speed was constantly 25 miles per hour. For the second part of her trip, her speed was constantly 15 miles per hour.

DeMarkus says that a store overcharged him on the price of the video game he bought. He thought that the price was marked 1/4 of the original price, but was really 1/4 off the original price of the game was $48, what is the difference between the

As I was going to St. Ives I met a man with seven wives. Each of his wives had seven sacks, Each of the sacks held seven cats, Each of the cats had seven kitts. Kitts, cats, sacks, and wives. How many were going to St. Ives? Consider the poem.

Write a general rule for multiplying fractions

15 yards to 18 yards

Solve this (6 + 5) + 65

A is a horizontal bar used in mathematical notation; in fractions it is the bar that separates the numerator from the denominator, in repeating decimals it indicates a group of repeating numbers.