Alg 2 u1 q2

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A ____ inequality in which each term is either a constant or the product of a constant and a single variable.

Linear

____ is an equation of the form ax2+bx+c=y where a,b, and c are realnumbers and a!=0.

Quadratic equation

____ is the formula x=-b±b2-4ac2a, used to find the solutions to a quadratic equation of the form ax2+bx+c=0.

Quadratic formula

is an inequality of the form ax2+bx+c<y where a,b, and c are real numbers and a≠0, or any similar form with ≤,>, or ≥.

Quadratic inequality

____ is the expression, b2-4ac, which tells the nature of the roots of a quadratic equation of the form ax^2+bx+c=0.

The discriminant

Find the discriminant to determine the number of roots, then solve the quadratic equation using the quadratic formula. x^2+x-2=0

c, e, b

Identify the equation of the graph. (the quadrant graph)

-6x+3y =12

Solve the inequality. x2+3x-28<0; Use -9,0 and 5 to help find the solution.

-7 < x < 4

Identify the equation of the graph. (the one with the number line)

8x+5 > 21


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