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ipn [44]
3 years ago
15

2. Solve for y. y/8 = 8

Mathematics
1 answer:
mixer [17]3 years ago
7 0

Answer:

y = 64

Step-by-step explanation:

\frac{y}{8}  = 8

To get rid of the 8 in the denominator, you need to do the opposite of the expression. So opposite of division is multiplication. My multiplying each side by 8, you can get rid of the 8 in the denominator. Because if you divide 8 by 8 it is 1.

\frac{y}{8}*8 = 8 * 8

y = 64

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Without solving the equation, determine the nature of the roots of x^2 - 2x - 8 = 0.
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Answer:

two real, unequal  roots

Step-by-step explanation:

This is a quadratic equation.  The quadratic formula can be used to determine how many and what kind of roots may exist:  

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(-2)^2 - 4(1)(-8), or 4 + 32  =  36.

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