Equations and Inequalities Algebra RTI Flash Cards Pt. 2

Ordered pair (x,y) (abscissa, ordinate)

Ax + By = C ( A, B and C are intergers; A and B cannot both equal zero.) The graph of a linear equation is a straight line and represents all solutions (x,y) of the equation.

Ax + By = C (A,B, and c are intergers ; A and B cannot both equal zero.)

A formula or equation which consists primarily of variables

X= a (where a can ba any real number) vertical lines have an undefined slope

Y = c (where c can be any real number) horizontal lines have a slope of 0

Ax² + bx + c = 0, a doesn’t equal 0.

Ax² + bx + c = 0, a doesn’t equal.

A + 0 = 0 = a = a

A + (-a) = (-a) +a = 0

A = b = b +a

(A +b) + c + a + (b + c)

A (1) = 1 (a) = a One is the multiplicative identity

A (1/a) = 1/a (a) = 1 (a doesn’t equal 0), the multiplicative inverse of a is 1/a

Ab = ba