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### 21 Cards in this Set

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• Back
 A coefficient is... Numerical constant in an algebraic expression A monomial is... Algebraic expression with one term, i.e. 3xy A binomial is... Algebraic expression with two terms, i.e. 4a + 3d A trinomial is... Algebraic expression with three terms, i.e. x + 2y + z A polynomial is... General name for algebraic expresssions with more than one term Distributive Law of Algebraic Expressions FOIL First, Outer, Inner, Last a^2 - b^2 = (a-b)(a+b) (x+3)^2 = x^2 + 6x + 9 What reverses the direction of an inequality? Multiplying or dividing by a negative number -3x > 2 = 3x < -2 An acute angle is... Has less than 90 degrees A right angle is... A 90 degree angle An obtuse angle is... More than 90 degrees but less than 180 degrees A straight angle is... A 180 degree angle/line The sum of the measures around a point is... 360 degrees Angles that add up to 180 degrees are... Supplementary Angles that add up to 90 degrees are... Complementary b /a -----/------ c/d f/ e --/--------- g h If the two lines are parallel... a=c=e=g b=d=f=h Area of a triangle = 1/2bxh Sum of the interior angles of a triangle are... 180 degrees The altitude of a triangle is... The same at height