exam
Maths Puzzle
Numerical Ability
okay i am having problems solving this one its easy i know i must be missing a step -[3x-(2x+5)=-4[3(2x-4)]-3x
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exam Other Question
graph the functions.
f (x)=2x - 5
16-20 EVEN DIRECTIONS:
FIND THE DISCRIMINANTOF THE QUADRATIC EQUATION, PUT IT IN STANDARD FORM!
16) 5X^2+3X=12
18)7-5X^2+9X=x
20)2x-x^2=x