Pizza King decided to decrease the price of a large pizza, as shown on their sign. What is the
percent decrease in the cost of a large pizza?
The original amount is $ .
The new amount is $ .
The amount of change is $ .
amount of change original amount = ___4
16 = ___1
11_ =
100
The cost decreased by %

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Arrange the steps to solve this system of linear equations in the correct sequence. x + y = -2 2x – 3y = -9 tiles subtract 3x + 3y = -6 (obtained in step 1) from 2x – 3y = -9 (given) to solve for x. substitute the value of x in the first equation (x + y = -2) to get y = 1. the solution for the system of equations is (-3, 1). x = -15 the solution for the system of equations is (-15, 13). add 3x + 3y = -6 (obtained in step 1) to 2x – 3y = -9 (given), and solve for x. x = -3 substitute the value of x in the first equation (x + y = -2) to get y = 13. multiply the first equation by 3: 3(x + y) = 3(-2) 3x + 3y = -6.

Algebraically prove that a clockwise and counterclockwise rotation of 180° about the origin for triangle abc are equivalent rotations.