Functions Checkpoint 1
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- Question 1 of 12
1. Question
Multiply.
\( \left( x-1 \right) \left( x^{2}+2x+3 \right) \)
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2. Question
Apply the polynomial identity to rewrite the expression.
\(9x^{2}-30x+25\)
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3. Question
Perform the operation.
\(\left( 3y^{2}+4y \right) – \left( 5y^{3}-2y^{2}+3 \right)\)
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4. Question
Solve.
\(x^{3}=343\)
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5. Question
One online seller has about 6 x 10⁸ online orders, and another online seller has about 5 x 10⁷ online orders. How many times more orders does the first company have?
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6. Question
Simplify.
\(\frac{x^{2}y^{-2}}{x^{-3}y^{3}}\)
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7. Question
What is 15% of 64?
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8. Question
Which number satisfies the proportion?
\(\frac{378}{?}=\frac{18}{7}\)
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9. Question
If a tree grows an average of 4.2 inches in a day, what is the rate of change in its height per month? Assume a month is 30 days.
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10. Question
Solve the equation by the quadratic formula.
\(11x^2-14x+4=0\)
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11. Question
Solve the equation by any method.
\(3x^2-5=22\)
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12. Question
Solve the equation by the square root method.
\(5x^2+10=10\)
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