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* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Name: _____________________________ Date: ________________ Chapter 3 Assessment 1.! Determine the equation of the line between the points (4, 3) and (12, –3). Write your answer in slope-intercept form f(x) = mx + b. 2.! The function P(n) = 455n –1820 represents a computer manufacturer’s profit when n computers are sold. a)! Identify the vertical intercept. Write it as an ordered pair and interpret its practical meaning in a complete sentence. Ordered Pair:_________________ b)! Determine the horizontal intercept. Write it as an ordered pair and interpret its practical meaning in a complete sentence. Ordered Pair:_________________ 3.! Determine the equation of the vertical line passing through the point (4, 7). ____________ 4.! The x-axis is a line. Write the equation of this line. ___________ Lesson 3 – Linear Equations and Functions Assessment 5.! Fill in the table below. Intercepts must be written as ordered pairs. Write “N” if your answer does not exist (is undefined). I = Increasing Equation D = Decreasing C = Constant (Horizontal) Vertical Intercept Slope Horizontal Intercept V = Vertical Behavior I, D, C, V y = 2x – 16 f(x) = 8 – 3x y = –2 y=x (0, 20) −5 (0, –9) (–3, 0) x=6 ! 6.! Solve the systems of linear equations and write the solution as an ordered pair, if possible. Verify the solution by graphing each line. 2 $ #2y − x = 3 b) !!! " ! !f(x) = x a)!!!! # !! 3 !2x − 4y = −9 !"g(x) = 14 − 4x ! ! 127