166 Chapter 2 Linear Equations in Two Variables and Functions Section 2.3 Practice Exercises Study Skills Exercise Test yourself. Yes _____ No _____ Did you have sufficient time to study for the test on the last chapter? If not, what could you have done to create more time for studying? Yes _____ No _____ Did you work all the assigned homework problems in this chapter? Yes _____ No _____ If you encountered difficulty in this chapter, did you see your instructor or tutor for help? Yes _____ No _____ Have you taken advantage of the textbook supplements such as the Student Solution Manual? Vocabulary and Key Concepts 1. a. Consider a line with slope m and y-intercept (0, b).The slope-intercept form of an equation of the line is . b. An equation of a line written in the form Ax By C, where A and B are not both zero, is said to be in form. c. A line defined by an equation y k, where k is a constant is a (horizontal/vertical) line. d. A line defined by an equation x k, where k is a constant is a (horizontal/vertical) line. e. Given the slope-intercept form of an equation of a line, y mx b, the value of m is the and b is the . f. Given a point (x1, y1) on a line with slope m, the point-slope formula is given by . Review Exercises 2. Given x 2 y 3 1 a. Find the x-intercept. b. Find the y-intercept. c. Sketch the graph. 3. a. What is the slope of a horizontal line? b. The slope of a vertical line is . 5 4 3 2 1 21 543 1 2 3 4 5 1 2 3 4 5 4. Using slopes, how do you determine whether two lines are parallel? 5. Using the slopes of two lines, how do you determine whether the lines are perpendicular? 6. Write the formula to find the slope of a line given two points and 1x2, y2 . 1x1, y1 2 2 x y
miller_intermediate_algebra_4e_ch1_3
To see the actual publication please follow the link above