Step-by-step explanation:
4-17x^2+16=0 s
Calculate multiply
20-17x^2=0
Reoder the term
-17x^2+20=0
Calculate the discriminat
D=0^2-4x(-17)x20
Simplify
D=1360
The quadric equation has 2 real solutions
So your Solution is :
2 real solutions
Answer:
4:7
11.5
1.50 x 5 = 7.50
0.74 + 3.25 = 4
7.50 + 4 = 11.5
Check the pictures for the answer
