Common-Core/ Grade 10
Maths MCQ Based On Solving a quadratic equation by completing the square
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Common-Core Grade 10 - 10 Solving a quadratic equation by completing the square
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Make the equation in the form of ax2+ bx = c.
And use the complete squaring method and make the complete square on the left-hand side.
Use the approach of "completing the square" to solve the quadratic equation shown below.
and ascertain the value of k. k2 - 5k - = 0.
Taking the square root of both sides of the equation \\((x - 2)^2 = 5 \\) gives us \\(x - 2 = +/- √5. \\)
To complete the square, we need to add half of the coefficient of our x term squared to both sides of the equation.
When using completing the square, we need to add a term to both sides of the equation that is a perfect square. The number that we add is equal to half of the coefficient of the x term squared.
Simplyfy the options carefully.
Make the equation in the form of ax2+ bx = c.
And use the complete squaring method and make the complete square on the left-hand side.
In the first step, we need to add half of the coefficient of our x term squared to both sides of the equation.
Taking the square root of both sides of the equation \\( (x - 1)^2 + 2 = 0 \\) gives us \\( x - 1 = \\pm √(-2).\\)
Make the equation in the form of ax2+ bx = c.
And use the complete squaring method and make the complete square on the left-hand side.
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