Question

If p =+2,find the value of:
(a)4p-7
(b)-3p²+4p+7
(c)-7p²+4p+8
(d)-6p+7+p²
(e)-3p+p²
(f)-5p+7p²

Answer 1

Answer:

a) 4(2)-7 => 8-7 => 1

b) -3(2)²+4(2)+7 => -12+8+7 => 3

c) -7(2)²+4(2)+8 => -28+8+8 => -12

d) -6(2)+7+(2)² => -12+7+4 => 1

e) -3(2)+(2)² => -6+4 => -2

f) -5(2)+7(2)² => -10+28 => 18

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Answer 2

Answer:

a)1

b)3

c)-12

d)-1

e)-2

f)18

Step-by-step explanation:

a)4(2)-7

8-7=1

b)-3(2)^2+4(2)+7

-3(4)+8+7

-12+8+7

-4+7=3

c)-7(2)^2+4(2)+8

-7(4)+8+8

-28+8+8

-20+8= -12

d)-6(2)+7+(2)^2

-12+7+4

-5+4= -1

e)-3(2)+(2)^2

-6+4= -2

f)-5(2)+7(2)^2

-10+7(4)

-10+28=18