Algebra 2 - Chapter 4

Algebra 2 - Chapter 4

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Section 1

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Discriminate

Front

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Cards (42)

Section 1

(42 cards)

Discriminate

Front

b^2 - 4ac

Back

Imaginary number

Front

any number of the form a + bi where A and B are real numbers and B /=/ 0

Back

zero of a function

Front

for the function f, any number x such that f(x) = 0. (p. 226)

Back

Standard Form

Front

ax^2+bx+c

Back

zero of a function

Front

an x-intercept of the graph of a function.

Back

standard form

Front

Ax + By = C, where A, B, and C are not decimals or fractions, where A and B are not both zero, and where A is not a negative. (p. 202)

Back

factoring

Front

expressing a polynomial as a product.

Back

quadratic function

Front

a function that can be written in the form f(x) = ax2+bx+c, where a,b,and c are real numbers and a ≠ 0. (p. 194)

Back

Difference of squares

Front

a^2 - b^2

Back

Vertex Form

Front

f(x)= a(x-h)^2 + k

Back

Factoring

Front

Rewriting an expression as a product of its factors

Back

imaginary number

Front

the square root of a negative number; represented as "i". (p. 249)

Back

perfect square trinomial

Front

a trinomial that is the square of a binomial.

Back

Quadratic Formula

Front

a formula that allows the calculation of the solutions of any quadratic equation.

Back

standard form

Front

where A, B, and C are not decimals or fractions, where A and B are not both zero, and where A is not a negative.

Back

parabola

Front

a U-shaped graph formed by a quadratic function. (p. 194)

Back

greatest common factor

Front

(GCF) the largest factor that two or more numbers have in common. (p. 218)

Back

Complex Conjugates

Front

Number pairs of the form a + bi and a - bi

Back

vertex form

Front

a quadratic function in the form y=a(x-h)^2+k, where (h,k) is the vertex of the parabola and x=h is its axis of symmetry. (p. 194)

Back

Axis of symmetry

Front

line that divides the parabola into two mirror images

Back

greatest common factor

Front

the largest factor that two or more numbers have in common.

Back

completing the square

Front

a process used to make a quadratic expression into a perfect square trinomial.

Back

discriminant

Front

the expression under the radical sign in the quadratic formula.

Back

Vertex of the Parabola

Front

(h,k), the intersection of the parabola and it's axis of symmetry

Back

complex conjugates

Front

two complex numbers of the form a+bi and a-bi.

Back

quadratic function

Front

a function that can be written in the form f(x) = ax2+bx+c, where a,b,and c are real numbers and a ≠ 0.

Back

imaginary number

Front

the square root of a negative number.

Back

Quadratic Formula

Front

Pg 240

Back

discriminant

Front

(p. 242)

Back

Quadratic Function

Front

ax^2+bx+c

Back

complex number

Front

any numbers with "i" in them. (p. 249)

Back

parabola

Front

the graph of a quadratic function.

Back

vertex form

Front

a quadratic function in the form y= a(x-h)^2 +k, where (h,k) is the vertex of the parabola and x=h is its axis of symmetry.

Back

complex numbers

Front

adding real numbers to real multiples of the imaginary unit i.

Back

complex number planes

Front

a coordinate plane with one axis labeled with real numbers and the other axis labeled with imaginary numbers.

Back

Zero of the Function

Front

A value of x for which f(x)=0

Back

Zero-Product Property

Front

Solving a quadratic in standard form by factoring the quadratic expression

Back

Complex Number

Front

Can be written in the form of a + bi where A and B are real numbers

Back

quadratic formula

Front

formula that is utilized by a quadratic function. (p. 240)

Back

Parabola

Front

The graph of a quadratic function ( U shaped )

Back

axis of symmetry

Front

a line that divides a plane figure or a graph into two congruent reflected halves. (p. 194)

Back

axis of symmetry

Front

a line that divides a plane figure or a graph into two congruent reflected halves.

Back