exam
Maths Puzzle
Numerical Ability
for what value(s) of k will the graph of y = x^2-3x+k
a) touch the x-axis
b) never meet the x-axis?
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exam Other Question
find the volume of the solid
it is a triangle with measurements of 18 and 15 in bottom and 10 in up
How can I simplify 4x^-6y^-2 ??
thanks!