Question

Use the quadratic formula to find the zeros of the function. Round to tenths if necessary. y = 17x2 - 21
A. {-1.1, 1.1}
B. {1.1}
C. {-4.1, 4.6}
D. no real solution

Answer 1

x = -1.1 and x = 1.1

Answer 2

x=-1.1and x=1.1

Answer 3

a = 17 b= 0 c= -21
b^2- 4ac = 0- 4. 17 .-21
1428 sq root 37.78
37.7/34,-37.7/34

1.11, -1.11