exam
Maths Puzzle
Numerical Ability
Solve the equation by completing the square. Give exact Solutions.
x^2 + 4x - 21 = 0
( X Squared plus four x Subtract twenty one equals zero.)
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exam Other Question
May I have some help with the following inequality?
Solve the nonlinear inequality. Express the solution using interval notation.
x^2 + x > 90
slope 2/3 and x intercept -3
How would you find y=ax+b?