Use the quadratic formula s to solve 2y^2-6y-8=0
1 answer:
Answer:
{4, - 1}
Step-by-step explanation:
Given
2y² - 6y - 8 = 0 ← in standard form
with a = 2, b = - 6, c = - 8
Using the quadratic formula to solve for y
y = ( - (- 6) ±
) / (2 × 2)
= ( 6 ±
) / 4
= ( 6 ±
) / 4
= ( 6 ± 10 ) / 4
x =
=
= 4
OR
x =
=
= - 1
Solution is { 4, - 1 }
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