The formula for the discriminant is the square root of b^2 - 4ac
8x^2+18x-5= 0
a = 8, b=18, c= -5
Square root of 324 +160
Square root of 484 = 22 The discriminant is 22
16x - 4 + 58 + 9x - 6 = 180
25x + 48 = 180
25x = 132
x = 5.28
-4 1/2, -2 3/8, 1.35, 5.6
Answer:
B wpuld be your answer
Step-by-step explanation:
Its the nearest ft from 70.
