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Laabri

Unit 9 Intervention Practice Test

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Last updated about 3 years ago
14 Nsɛmmisa
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1.

What are the zeros of f(x)=(2x+3)(x-5)?

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2.

What are the factors of f(x)=5x^2-14x-3?

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3.

Solve 2x^2-18=0 using square roots. What are the solutions?

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4.

What are the solutions to (x+2)^2=36 ?

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5.

Sheila is using the quadratic formula to find the zeros of y=x^2-2x-4. Which of the following values should she use for a, b, and c?

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6.

Carlos is using the quadratic formula to find the zeros of

Which of the following will simplify to the correct solutions?

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7.

Solve:

Write your answers in set notation: { , }

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8.

Solve:

Write your answers in set notation: { , }

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9.

Solve using square roots:

Write your answers in set notation: { , }

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10.

Solve using square roots:

Write your answers in set notation: { , }

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11.

Use the Quadratic Formula to solve. Round your answer to 2 decimal places.

Write your answers in set notation: { , }

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12.

Use the Quadratic Formula to solve.

Write your answers in set notation: { , }

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13.

A rock is thrown upward from a platform 16 feet above ground. The height in feet of the rock above the ground is given by the equation:

where t is the time in seconds after the rock is thrown.

How long does it take the rock to reach the ground?

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14.

The quarterback of a football team throws a pass to the team’s receiver. The height, h, in meters of the football can be modeled by

where t is the time elapsed in seconds. The receiver catches the football at a height of 1 meter. How long does the ball remain in the air until it is caught by the receiver?

Round your answer to the nearest tenth (1 decimal place).