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10th-Grade-Math---USA

Solving-Quadratic-Equations

Easy

Question

The discriminant of -x² + 2 is

2
4
6
8

The correct answer is: 8

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10th-Grade-Math---USA

Solve the quadratic equation x² - 4x - 21 = 0.

Solve the quadratic equation x² - 4x - 21 = 0.

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Convert the quadratic -x² - x + 6 into factored form

Convert the quadratic -x² - x + 6 into factored form

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The solution from the graph

The solution from the graph

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The factored form of quadratic equation from the graph

The factored form of quadratic equation from the graph

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The solution of x² - 9409 = 0 is

The solution of x² - 9409 = 0 is

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Identify the equivalent expression of $square root of 968 space x end root$

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The height of triangle whose area is 6 and base is 1 unit greater than height is

The height of triangle whose area is 6 and base is 1 unit greater than height is

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The formula for the solution of general quadratic equation is

The formula for the solution of general quadratic equation is

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The discriminant of x² + 5x - 1 is

The discriminant of x² + 5x - 1 is

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Identify number of real roots of quadratic equation 2x² + 2x + 2 = 0.

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Convert the quadratic equation x² + 5x + 9 = 3 into the square form

Convert the quadratic equation x² + 5x + 9 = 3 into the square form

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Convert the quadratic equation x² + 4x - 5 into factored form

Convert the quadratic equation x² + 4x - 5 into factored form

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The quadratic equation from the graph

The quadratic equation from the graph

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The solution of the equation from the graph

The solution of the equation from the graph

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Solve the equation 2x² - 7x - 15 = 0

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