Common-Core/ Grade 10
Maths MCQ Based On Solving a quadratic equation using square roots
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Common-Core Grade 10 - 10 Solving a quadratic equation using square roots
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On dividing both sides by 2 the equation becomes a2 = 16. Now find square roots of 16 which will be the solution for a.
p = |9| means p = +9 or p = -9. And both of them are only real solutions.
Divde both sides of the equation by 25 then the equation will become: m2 = 25 Now, solve for m.
Solve by isolating x2 and taking the square root.
To solve for a, take square root of 4, which is both +4 and -4.
Find the number of solutions by isolating x2.
Find value of disriminant
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
Find the number of solutions by isolating a2.
Solve by isolating x2 and taking the square root.
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