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**ALGEBRAIC EXPRESSIONS**

Step 1 Write down the question Step 2 Plug in the numbers Step 3 Use PEMDAS Work down, Show all steps

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Problem 1 Given the formula P=K2W, find the value of P if K=5 and W=-3.

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**If V=lwh, what is the value of V when l=2, w=3, and h=4x?**

Problem 2 If V=lwh, what is the value of V when l=2, w=3, and h=4x?

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**If x=1 and y=-2, which expression has a value of 3?**

Problem 3 If x=1 and y=-2, which expression has a value of 3? (1)x=y (2)x-y (3)xy (4)y-x

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**If a=1 and b=-2, find the value of (a+b)2.**

Problem 4 If a=1 and b=-2, find the value of (a+b)2.

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**Using the formula V=x 2h, find V when x=6 and h=2**

Problem 5 Using the formula V=x 2h, find V when x=6 and h=2

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**Evaluate the expression (6a)2b if a=2 and b=-1**

Problem 6 Evaluate the expression (6a)2b if a=2 and b=-1

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**Find the value of 3a-4b if a=-2 and b=1.**

Problem 7 Find the value of 3a-4b if a=-2 and b=1.

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**Find the value of (x2-5x+4) if x=7.**

Problem 8 Find the value of (x2-5x+4) if x=7.

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**Evaluate 5a2-b if a=-2 and b=3.**

Problem 9 Evaluate 5a2-b if a=-2 and b=3.

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**Find the value of the expression 3x3 when x=-2**

Problem 10 Find the value of the expression 3x3 when x=-2

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**What is the value of R2S if R=5 and S=-2.**

Problem 11 What is the value of R2S if R=5 and S=-2.

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**Evaluate the expression 3x2 +y if x=1 and y=-3.**

Problem 12 Evaluate the expression 3x2 +y if x=1 and y=-3.

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**Find the value of the expression 2xy3 if x=3 and y=-2**

Problem 13 Find the value of the expression 2xy3 if x=3 and y=-2

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Problem 14 Find the value of 5x2 if x=-3.

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**If x=-3 and y=2, find the value of (xy)2.**

Problem 15 If x=-3 and y=2, find the value of (xy)2.

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**Evaluate the expression 3x2+y if x=1 and y=-3.**

Problem 16 Evaluate the expression 3x2+y if x=1 and y=-3.

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**If x=3 and y=-2, find the value of 4xy2.**

Problem 17 If x=3 and y=-2, find the value of 4xy2.

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**Find the value of 3(ab)2 if a=2 and b=-1.**

Problem 18 Find the value of 3(ab)2 if a=2 and b=-1.

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**Find the value of 2x2y if x=3 and y=-1.**

Problem 19 Find the value of 2x2y if x=3 and y=-1.

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**Find the value of a2-b if a=3 and b=-4.**

Problem 20 Find the value of a2-b if a=3 and b=-4.

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