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Solving quadratic equation and domain of the function

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Find all real or imaginary solutions to each equation: 3v^2 + 4v - 1 = 0

Solve the equation
2y^2 - 3y - 6 = 0

(x-10)(x-2) = -20

Determine whether the parabola opens up or down: y = -1/2x^2 + 3

Find the vertex and intercepts for each parabola: g(x) = x^2 + x - 6

Find all real solutions to each equation: x^2 + x + sqrt(x^2 + x) - 2 = 0

Find all real or imaginary solutions to each equation: b^4 + 13b^2 + 36 = 0

Solve, state and graph the solutions set
a
------- > 0
a + 2

x + 3
------ <= -2
x

Graph each function and state it's domain
g(x) = x + 2

h(x) = -3x^2

y = 2*sqrt(x) + 1

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The solution shows how to solve the quadratic equations and graph and find the domain of the functions in detail.

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