Solving Quadratic Equations and Identifying Pure Quadratic Equations Quiz

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Questions and Answers

What is the standard form of the quadratic equation 20(x+7)(x-3) = -7?

20x^2+x-41=0

Which equation is a pure quadratic equation?

x^2-11x=152

Solve the equation 7x²+2x-1=0 by completing the square.

x = -1, x = 1/7

Factorize the equation 3x²+5x+c=0.

<p>No real roots</p> Signup and view all the answers

Derive the quadratic formula using the completing the square method.

<p>x = (-b ± sqrt(b^2-4ac)) / 2a</p> Signup and view all the answers

What is the standard form of the quadratic equation 3x² + 7x = 0?

<p>3x² + 7x = 0 is in the standard form of a quadratic equation.</p> Signup and view all the answers

Which equation is a pure quadratic equation?

<p>x² - 11x = 152 is a pure quadratic equation.</p> Signup and view all the answers

Solve the equation 4 - 32x = 17x² by factorization.

<p>4 - 32x = 17x² can be solved by factorization as (x - 4)(x - 1) = 0.</p> Signup and view all the answers

What is the solution to the equation 3y² = y(y - 5)?

<p>The solution to 3y² = y(y - 5) is y = 0 or y = 5.</p> Signup and view all the answers

Solve the equation x² + 17x = 0 by completing the square.

<p>The solution to x² + 17x = 0 by completing the square is x = 0 or x = -17.</p> Signup and view all the answers

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