Question

1)Solve. (x – 5)2 = 4.


A)x = 9 and x = 1
B)x = 9 and x = 11
C)x = 7 and x = 3
D)x = 3 and x = 11

2)Solve. 3x2 – 75 = 0
A)x = 5
B)x = 3 and x = 25
C)x = 25
D)x = 5 and x = –5

3)What is the value of the discriminant of 2x2 + 4x – 2 = 0?


A)16
B)0
C)32
D)–20

Answer 1

if u cant do algebra, try replacing the values in the mutiple choice answers with the variables in the problem

Answer 2

first divide by 2 both sides

Answer 3

you'll get x-5 = 2 ...so ... asl yourself What -5 is 2?

Answer 4

Wait what?

Answer 5

your input ... ooops