Jenny was shopping and found a bag that was marked with a discount of 1/3 off. If the original cost of the bag was $80, how much
1 answer:
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Answer:
p = 3
q = -6
Step-by-step explanation:
Work backwards from the roots:
x =
3x = 2
3x - 2 = 0
Other root:
x = -3
x + 3 = 0
Multiply them together:
(3x - 2)(x + 3) = 0
3x² - 9x + 2x - 6 = 0
3x² - 7x - 6 = 0
p = 3
q = -6