Select all of the following that are quadratic equations.

3x2 + 5x - 7 = 0

x3 - 2x2 + 1 = 0

2x - 1 = 0

5x2 + 15x = 0

6x - 1 = 4x + 7

x2 - 4x = 4x + 7

How can I sole 2x over 3 is greater than 4x+10

8. The square of a number decreased by 3 times the number is 28. Find all possible values for the number. A 4 B 5 C 6 D 7

Write an inequality for the statement 8 less than the product 13 times a number x is less than or equal to - 32

2) A 5/8-yard piece of velvet costs $13.75. Write a unit price that describes the cost per yard.

Evaluate the expression 3x+2y when x is equal to 4 and y is equal to 2.4

Imagine that there are 100 different researchers each studying the sleeping habit of a college freshman. Each researcher takes a random sample size of 50 from the same population of freshman.

How to write 7.25 as a mixed number in lowest terms

A cable company charges $150 per month plus $4 for each movie watched. If Tracie's budget for cable is at most $175, what values represent this function's domain?

How to say 6 / 2 correctly so when you say 6 / 2 out loud people will know what you mean

ich sentence uses a proper adjective? Scotland is part of Great Britain. The French flag is red, white, and blue. Is Sally coming with us to the fair?