IGCSE /Grade 10
Maths MCQ Based On Solving a quadratic equation using square roots
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IGCSE Grade 10 Maths Solving a quadratic equation using square roots
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Find the number of solutions by isolating m2.
Take away 3 from both sides of the equation then divide it by 2, the equation will become: r2 = 1 Then solve for r.
Solve by isolating x2 and taking the square root.
Find the number of solutions by isolating a2.
Solve by isolating x2 and taking the square root.
Find the number of solutions by isolating x2.
Divide both sides of the equation by 9: k2 + 4 = 1 Take away 4 from both ends, the final equation is: k2 = -3, then solve for k
On dividing both sides by 2 the equation becomes a2 = 16. Now find square roots of 16 which will be the solution for a.
Find the number of solutions by isolating x2.
Both +7 and -7 are real roots of the equation also they are the only solution for r in the equation.
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