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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

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Exercise 2 Page 543

Substitute -1, 3, - 2 for a,b,c, in the given expression.

- 3.5

Practice makes perfect

To evaluate the given expression for a= -1, b= 3 and c= - 2, we should substitute these values into the expression and simplify as much as possible.

c^2-ab/2a

SubstituteValues

Substitute values

( - 2)^2-( - 1)( 3)/2( - 1)

Calculate power

4-(-1)(3)/2(- 1)

(- a)b = - ab

4-(-3)/- 2

a-(- b)=a+b

7/-2

MoveNegDenomToFrac

Put minus sign in front of fraction

- 7/2

Calculate quotient

- 3.5