exam
Maths Puzzle
Numerical Ability
A quadratic function has no x-intercepts. What is a possible value of the diacriminant of the function? I think it is -2??
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Use the Substitution method to solve the system of equations. Give your answer as an ordered pair (x,y).
x + y = -5
x - y = 3
A sum of money is made up of $5 bills and $10 bills. The total number of $5 bulls is at least 3 less than double the number of $10 bulls. That sum of money is a minimum of $65.
What would that look like as an inequality equation?