Unit 6 Reteach/Retest

Add your class period here Do you need attendance hours? Adding and Subtracting Polynomials Simplify: 7x2-14x-3 -3x2+8x+21 -3x2+8x-3 7x2-14x+21 Simplify: -4x4+4x+2 -4x4+10x2+4x+2 10x4+4x+2 10x4+10x2+4x+2 Multiplying Polynomials Multiply: x2+x-1 5x3-20x2-40x+7 5x3-13x2-68x-56 X2-9X-15 Factoring Polynomials This video is LONG!!! You do not need to watch the entire video. Factor completely: 3x(x+3)(x-2) 3x(x+3)(x+2) (X+3)(x+2) 3x(x2+5x+6) Which of the following is a factor of (4x2+3) (x+3) (x-3) (4x+3) Attributes of Cubic Functions Your browser does not support HTML5 video. What is the point of symmetry of the cubic function shown below? (2, 3) (3, 2) (0, 0) (-3, 2) Which statement about the cubic function shown below is false? Its domain is all real numbers Its parent function is f(x)=x3 Its point of symmetry is (4, 1) its range is all real numbers What are the x- and y-intercepts of the cubic function on the graph below? (-1, 0) and (0, -7) (-1, 0) and (0, 7) (-7, 0) and (0-1) (-7, 0) and (0, 1) Which statements about the function below are true?Select all that apply! The x-intercept is 4 The domain is all real numbers The y-intercept is less than -10 The point of symmetry is (0, 4.25)