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Chapter 1 unit test

Last updated about 5 years ago

19 Nsɛmmisa

2

2

2

2

2

2

1

1

1

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9.

Solve the equation, check your solutions
4|2a - 5| = -10
Write the answer in order of size e.g. -5, 5 (space after the comma)

2

3

3

2

2

2

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15.

P = 2L + 2W
Solve the formula for w

1

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16.

FInd the width (w) of the field

3

1

1

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1.

9.8 - 4.2b = 11.4
Write your answer to 2 decimal places.

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2.

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3.

3 = t + 11.5 - t

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4.

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5.

5(2c + 7) - 3c = 7(c + 5)

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6.

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7.

Write a possible value for c so that the equation has no solution.
2x - 6 = 2x - c

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8.

Write a possible value for c so that the equation has no solution.

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10.

Solve the equation, check your solutions
|b - 12| = 15
Write the answer in order of size e.g. -5, 5 (space after the comma)

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11.

Solve the equation, check your solutions
|2r + 5| = 3r
Write the answer in order of size e.g. -5, 5 (space after the comma)

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12.

Solve the equation, check your solutions
|2k + 6| = |k|
Write the answer in order of size e.g. -5, 5 (space after the comma)

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13.

Solve the equation for y
2x - 5y = 20z

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14.

Solve the equation for y
2y(1+2z)=10

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17.

For a school play, the maximum age for a youth ticket is 18 years old. The minimum age is 10 years old. Write an absolute value equation for which the two solutions are the minimum and maximum ages for a youth ticket. Solve your equation to check your solution.

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18.

Use the table
a. The total cost is the same for each company. How many brochures is your business printing?

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19.

You decide to increase the number of brochures. From which company should you order? Explain why