Question

What is the constant and variable in the given algebraic expression 2m + 5n?
I. 2
II. m
III. 5
IV. n



constant: I and III; variable: II and IV
constant: I and II; variable: III and IV
constant: II and IV; variable:I and III
constant: III and IV; variable: I and II

Answer 1

Answer:

ANSWER

For 5x−6y+30=0:

x 0 -6 6

y 5 0 10

For x−y−1=0:

x 0 4 -4

y 5 0 10

As the graph shows, vertices of triangle are (0,5),(−6,0)&(4,0).

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Answer 2

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