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 }
Answer:
the price of one battery is 50 cents plus tax
Step-by-step explanation:
the price of one battery is 50 cents because if you count by 50s its 4 dollars and then plus tax it would be around 4.72.
Answer:
Step-by-step explanation:
i think you multiple the 10 and the 12
Answer:
It’s 10n+12
They put the 2 n’s as an exponent
Step-by-step explanation: