Jeff began deriving the quadratic formula.

ax² + bx + c = 0

x2+bax+ca=0

What step should Jeff do next?

Add b2a to each side.

Take the square root of each side.

Subtract ca from both sides.

Subtract x² from each side.

X (year) | y ($ in billions) 1980 | 120 1985 | 165 1990 | 239 1995 | 290 2000 | 376 The table shows the billions of dollars spent on food and drink in U. S. restaurants for the years shown. Find the rate of change for 1980 to 1990.

How do you solve x-5=x-6-8

What is the answer to 16+4 (4x-7) ?

A teacher needs to choose seven students to hand out papers. The total number of ways he may choose the students can be found using a combination. A. True B. False

What is 0.78156044 rounded to the nearest thousandths

The money used in Saudi Arabia is the Riyal. The exchange rate is 4 Riyals to 1 dollar. How many Riyals would you receive if you exchange 5 dollars?

A gumball machine has 200 red gum balls. if the red gumballs are 50% of the total number of gum balls, how many gumballs are in the gum ball machine

What two partial products would you add to find 513 x 46

Ryan gathered data about the age of the different dogs in his neighborhood and the length of their tails

What is 2+2= A) 6 B) 4 C) 8 D) 10