exam
Maths Puzzle
Numerical Ability
Can the system
4x + 5y = -4
12x - 9y = -4
be solved more easily by using the substitution method or the addition method? And why?
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exam Other Question
Graph y=(x-5)(2x+7)(3-x)^2(x-7)(x+2)^2, and label all intercepts
ty
1/2d +3/8 = -2d
5/2t-t=3+3/2t
1/3(y-7)=2y+6
1/2(5x+8)=4x-5