Unit Test — Unit test

Question 1

Alessandro wrote the quadratic equation in standard form. What is the value of c in his new equation?

Revolt · Accepted Answer

Answer image: https://r22.core.learn.edgenuity.com//media.edgenuity.com/evresources/4cd0be41f2605d1873e3064d0ac38493.png

Question 2

Which shows the correct substitution of the values a, b, and c from the equation –2 = –x + x2 – 4 into the quadratic formula?Quadratic formula: x =

Revolt · Accepted Answer

x = StartFraction negative (negative 1) plus or minus StartRoot (negative 1) squared minus 4 (1)(negative 2) EndRoot Over 2(1) EndFraction

Question 3

A rectangle has an area of 40 square units. The length is 6 units greater than the width.

Revolt · Accepted Answer

10 by 4

Unit Test — Unit test Answers