Maggie is buying 2 shirts that cost $8.50 each. There is a 6.5% sales tax.
2 answers:
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Quadratic Formula: (-b +/- sqrt(b^2 - 4ac)) / 2a
2x^2 - 3x = 12
2x^2 - 3x - 12 = 0
a = 2
b = -3
c = -12
(--3 +/- sqrt( (-3)^2 - 4(2)(-12) )) / 2(2)
3 +/- sqrt( 9 + 96 ) / 4
3 +/- sqrt(105) / 4
Answers: ,
Hope this helps!
Answer:
1) y = 2x-2
2) y = -6/5+1
Step-by-step explanation:
