Use substitution to write an equivalent quadratic equation.

(3x + 2) 2 + 7 (3x + 2) - 8 = 0

Diener and wallbom (1976) found that when research participants were instructed to stop working on a problem after a bell sounded, 71 percent continued working when left alone.

Although we round it to 24 hr, the actual length of a day is 23 hr, 56 min, and 4.2 sec. how many seconds are there in an actual day?

What is the center and radius of the circle with equation (x - 2) 2 + (y - 5) 2 = 100? center (-2, 5); radius = 100 center (2, - 5); radius = 100 center (-5, 2); radius = 10 center (2, 5); radius = 10

Troy has already baked 17 cakes, and he can bake 3 cakes with each additional stick of butter he buys. How many additional sticks of butter does Troy need in order to bake a total of 47 cakes?

A rhombus shaped fountain has diagonals that measure 8.4 meters and 10.2 meters. What is the area of the rhombus?

What is the product of 4xy and y^2 + 2x? A) 4xy + 4xy^3 B) 8x^2y + 4xy^2 C) 8x^2 + 4xy^3 D) 8x^2y + 4xy^3

Gregg is trying to save $800 for a vacation. He makes $15 an hour and works 40 hours a week for a total of $600 a week. After paying expenses he saves 1 3 of his earnings. Which calculation yields the amount of money Gregg saves each week?

Y = 3x - 1 Y = 2x + 3

Do you have a sample of read, draw and write problems for 4th grade math to review for a test?

For which value of x is the equation 3x + x = 2x + 24 true?