1.3 Evaluating Expressions WS 2, #1-10

ID: gapon-gidot
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Avatar for Tara HarcourtTara Harcourt, BP BY-NC
Subject: Math
Grade: 11
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10 questions

1.3 Evaluating Expressions WS 2, #1-10

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Evaluate each expression.

1) Evaluate 4x24x-2 if x=1x=-1

2) Evaluate 3x22x+53x^{2}-2x+5 if x=4x=4

3) Evaluate 7x26x+2-7x^{2}-6x+2 if x=5x=-5

4) Evaluate 6x32x2+46x^{3}-2x^{2}+4 if x=1x=1

5) Evaluate 3x2+2xy+4y23x^{2}+2xy+4y^{2} if x=1x=-1 and y=1y=1

6) If f(x)=3x+8,f(x)=3x+8, find f(2)f(-2)

7) If g(x)=3x2+4x8,g(x)=3x^{2}+4x-8, find g(4)g(4)

8) If h(x)=x33x2,h(x)=-x^{3}-3x-2, find h(1)h(1)

9) If j(x)=4x9,j(x)=4x-9, find j(2)j(-2)

10) If k(x)=9,k(x)=9, find k(3)k(3)