exam
Maths Puzzle
Numerical Ability
write an algebraic expression of quantity and let x represent the value.
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Number28
Olympic medals- Mark Spitz won two more olympic medals than Carl Lewis did
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exam Other Question
can you help me please? Solve by graphing. estimate answers to nearest half unit if nescessary.
x - 2y = -6
y = -3/2x -1
Solve by using quadratic formula:
x^2+4x+2=0
This is what I have, not sure if correct?
x=-4+-square root 4^2-4(1)(2) divided by 2
x=-4+-square root 2 divided by 2
x=2 x=-4