Algebra exercise, algebra homework help

math

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QUESTION 17
4 points
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Solve the equation by expressing each side as a power of the same base and
then equating exponents.
81% =
1 / 3
骨
| 11
OS1
{-4}
4 points
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QUESTION 18
Solve the logarithmic equation. Be sure to reject any value that is not in the
in gynressions. Give the exact answer.
{4}
{2}
{-4}
Ø
QUESTION 17
4 points
Solve the equation by expressing each side as a power of the same base and
then equating exponents.
81X
√3
11
18)
{-4}
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QUESTION 21
4 pc
Solve the system of equations by the substitution method.
y = 5x – 4
2y + 6x = -24
{(-1,-9)}
{(1, -9)}
{(-9, -1)}
QUESTION 22
4 points
Solve the system of equations by the substitution method.
2y = x + 32
2x + 4y = 0
{(-16, 8)}
{(16, 7)}
{(-16, -8)}
{(8,-16)
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Remaining Time: 2 hours, 16 minutes, 48 seconds.
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{(16, 7)}
{(-16, -8)}
{(8, -16)}
QUESTION 23
4 points
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Solve the system of equations by the substitution method.
-3x – 4y = -10
x – 2y = 0
O {(3, 1))
{(2, -1)}
{(1, 2)
{(2, 1))
QUESTION 24
4 points
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Solve the system of equations by the substitution method.
Question Completion Status:
ULUIT
VUOVI
Solve the system of equations by the substitution method.
– 4x + y = -7
4x – 2y = 4
© {{)
{을
(2-3)
{(1, 13)}
QUESTION 25
4 points
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Solve the system by the addition method.
8x + 27y = 27
6x – y = -9
{(1, 1)
{(1, 0);
{(0, 0)}
sin 111
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