Algebra Essentials

Card 0 of 10

Question

What is the quadratic formula?

Answer

$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$

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Question

Solve for x: $2x + 5 = 13$

Answer

$x = 4$

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Question

What is the slope-intercept form of a line?

Answer

$y = mx + b$

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Question

Factor: $x^2 - 9$

Answer

$(x + 3)(x - 3)$

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Question

What does the discriminant tell you about a quadratic equation?

Answer

Whether it has real or complex solutions and how many

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Question

Solve the system: $x + y = 5$, $2x - y = 1$

Answer

$x = 2$, $y = 3$

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Question

What is the vertex form of a parabola?

Answer

$y = a(x - h)^2 + k$

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Question

Simplify: $(3x^2)(4x^3)$

Answer

$12x^5$

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Question

What is the point-slope form of a line?

Answer

$y - y_1 = m(x - x_1)$

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Question

Factor: $x^2 + 5x + 6$

Answer

$(x + 2)(x + 3)$

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