exam Maths Puzzle Numerical Ability

1.Linear relationships between two quantities can be described by an equation or a graph. Which do you think is the more informative? Why?

2) Find the slope of a straight line

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exam Other Question

Is the relationship between the varibles in the table a direct variation, an in verse or neither? If it is a direct inverse write a function to model it.

X= -2 3 5 6
Y= -11 4 13 32 How do you write a two-column proof for

Given: AX is congruent to DX, XB is congruent to XC
Prove: AC is congruent to BD