If x=1,y=3,z=4 evaluate x^2+y^2+z^2-3yz^2

➷ Just substitute the values in:

(1)^2 + (3)^2 + (4)^2 - 3(3)(4)^2

Simplify:

(1 + 9 + 16) - 144

Simplify further to get the

answer = -118

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3,6 and 7.

step-by-step explanation:

a) unit place of 37 is 7

so the unit place of cube of 37 will be

7³= 343=3

the answer is 3.

b) unit place of 56 is 6, so the unit place of cube of 56 will be

6³= 216=6

the answer is 6.

c) unit place of 133 is 3, so the unit place of cube of 133 will be

3³= 27= 7.

the answer is 7.

to complete this square you have to rotate about the origin 270 degrees clockwise.