exam Maths Puzzle Numerical Ability

Which of the ordered pairs
(0, 0), (-2, 10), (-1, -5), (-3, 9)
are solutions for the equation y = 5x?

I am not quite sure what I am doing to confuse myself but I am getting nowhere and need some help. Thanks.

Read Solution (Total 0)

exam Other Question

Please graph..............

praph the line that satisfies each set of conditions.

Passed through origin, parallel to graph x+y=10
ANNA HAS 12 BILLS IN HER WALLET, SOME $5 AND SOME $10 THE TOTAL VALUE OF THE BILLS IS $100. HOW MANY OF EACH BILL DOES ANNA HAVE?