Algebra 1 EOC Review

Which of these is not a function?

*Hint (x-values cannot be repeated)

• (5, 3), (6, 4), (7, 3), (8, 4)

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• y=3x²

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Which ordered pair is a solution of 3y + 2 = 2x - 5

*Hint (Use Desmos Graphing)

• (-5, 2)

• (0, -5)

• (5, 1)

• (7, 5)

Which graph represents a system of linear equations that has multiple common coordinate pairs?

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To rent a canoe, the cost is $3 for the oars and a life preserver, plus $5 an hour for the canoe. Which graph models the cost of renting a canoe?

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The function f(x) = 3x - 9 is shifted 2 units up. Which equation correctly describes the new function?

• g(x) = 6x - 9

• g(x) = 3(x + 2) - 9

• g(x) = 3x - 7

• g(x) = 6x - 18

Which of these expressions is equivalent to

 $2\sqrt{8\ }\cdot\sqrt{20}$  ?
*Hint (Multiply the radicals and simplify)

•  $2\sqrt{28}$  

• 5

•  $8\sqrt{10}$  

•  $32\sqrt{10}$  

Which expression has the same value as the expression (8x² + 2x - 6) - (5x² -3x + 2)?

*Hint (Watch the negative value)

• 3x² - x - 4

• 3x² + 5x - 8

• 13x² - x - 8

• 13x² - 5x - 4

The perimeter of a rectangle is P = 2w + 2l where w is the width of the rectangle and l is the length of the rectangle. Rearrange this formula to find the width of the rectangle.

• $w=P-2l$

• $w=\frac{P}{4-l}$

• $w=2P-l$

• $w=\frac{P}{2}-l$

The total area of two rectangles can be represented by the expression (x)(3x + 1) + (2x)(x + 3). Which expression represents the total area of the two rectangles combined?

• 7x²

• 6x³ + 6x²

• 6x² + 7x

• 5x² + 7x

Which expressions are equivalent to

 $10\sqrt{5}$  ?

•  $2\sqrt{250}$  

•  $5\sqrt{2}\cdot\sqrt{5}$  

•  $5\sqrt{5}+5\sqrt{5}$  

•  $\sqrt{50}\cdot\sqrt{5}$  

•  $\sqrt{5}\cdot\sqrt{10}\cdot\sqrt{10}$