exam Maths Puzzle Numerical Ability

When solving a quadratic equation you have 0,1,2 solutions. What does this mean "graphically?

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exam Other Question

i cant solve this problem because of lack knowing in solving this algebra problem 2^3 2^3
x^4 x
(4^4 y^7) (-5x^5y^2)
(4nx^5^n) (5nx^4^n)
(2^3)^2
I need help with the following pleas :

Find the quotient

5cd divided by 10c divided by d