exam
Maths Puzzle
Numerical Ability
equivalent ratios:
3:9
4/12
Read Solution (Total 0)
exam Other Question
Ok, this question is so confusing, the problem is: If y varies as x^2, and y=2 when x=4, what is the constant of variation?
Please and Thank you=)
I am having trouble solving this system using the substitution method. 2x + y = -1....then underneath x^2 = 4 + y. Thanks for your help!