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2 years ago

7

Casey is dividing x3 - 2x2 - 10x + 21 by x2 + x - 7 using a division table. His work is shown here. What is the value of A? –3 –

1 1 3

2 answers:

Step2247 [10]2 years ago

8 0

Answer:

a

Step-by-step explanation:

bearhunter [10]2 years ago

7 0

Answer:-3

Step-by-step explanation:

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Use the discriminant to determine the number of real solutions of the equation.<br> x^2 = -6x - 10

HACTEHA [7]

Answer:

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Step-by-step explanation:

x² + 6x + 10 = 0

a = 1

b = 6

c = 10

D = b² - 4ac = 6² - 4*1*10 = 36 - 40 = - 4

- 4 < 0,

so this equation has no real solutions.

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