Why the quantity b exponent 2 subtract 4ac is called the discriminant

Find the greatest common factors of 28 and 126

A linear function has an x-intercept of 12 and a slope of 3/8. How does this function compare to the linear function that is represented by the table?

will spent half of his allowance playing mini-golf. to earn more money his parents let him wash the car for $10. what is his allowance if he ended with $24

Which describes the transformation? Select three options. Triangle ABC was translated to form A'B'C'. A' It is rigid. ::: It is nonrigid. А x It is isometric. B The size is preserved. C The angles are not preserved.

Given: m ZADE = 60° and m2CDF = (3x + 15) Prove: x = 15 What is the missing statement and the missing reason in step 5? Statements 1. MZADE - 60° m2CDF - (3x+15) 2. ZADE and 2CDF are vert. Es 3. ZADE = 2CDF 4. MZADE = m2CDF 5.? 6. 45 - 3x 7.

Marianna wants to buy a new tennis racket that costs $57.50. She has $8 and plans to save $4.50 each week. How many weeks will it take her to save the money?

Select the expression that equals-3 - (-5). A - 3 + (-5) B - - 3 + (-5) C - - 3+5 D - 3+5

X and Y are independent random variables. X is normally distributed with mean 1 and variance 1. Y is normally distributed with mean 3 and variance 5. What is the variance of Y - 2X?

Simplify - 2/3 - 3/5.

Alive, Kathy and Sheila work as medical assistant at valley clinic. Alice has work 8 years longer than Kathy. Kathy has worked half as long as Sheila. If Sheila has worked at the company for 10 years how many years has Alice worked there?