MATH 18 (MATH 18)

summaries function

18 questions were answered correctly. 2 questions were answered incorrectly. 1 Find the solution for x if |6x + 8|=32. • • • • RATIONALE CONCEPT 2 Suppose that 3y – 5 = 45 and y = 3x – 2. Which of the following equations is equivalent to 3y – 5 = 45, but written only in terms of x? • 9x – 6 = 50 • 9x – 6 = 40 • 15x – 10 = 40 • 15x – 10 = 50 RATIONALE CONCEPT 3 Jacob opened a ...

Math 018, Fall 2011 Quiz 1 - Solutions Wednesday, September 7 1. (3 points) Find the equation of the line through the points (−1, 5) and (2, −4) in slope- intercept form. Solution. To find the equation, 2. (3 points) Line L1 has the equation 2x − 5y + 3 = 0. Line L2 is perpendicular to L1. Line L3 is parallel to L1. Find the slopes of L1, L2, and L3. Solution. To find the slope of the line L1, we put the equation in slope-intercept form: 3. (4 points) The graph of the fun...

Math 018, Fall 2011 Quiz 1 - Solutions Wednesday, September 7 1. (3 points) Find the equation of the line through the points (−1, 5) and (2, −4) in slope- intercept form. Solution. To find the equation, 2. (3 points) Line L1 has the equation 2x − 5y + 3 = 0. Line L2 is perpendicular to L1. Line L3 is parallel to L1. Find the slopes of L1, L2, and L3. Solution. To find the slope of the line L1, we put the equation in slope-intercept form: 3. (4 points) The graph of the fun...

18 questions were answered correctly. 2 questions were answered incorrectly. 1 Find the solution for x if |6x + 8|=32. • • • • RATIONALE CONCEPT 2 Suppose that 3y – 5 = 45 and y = 3x – 2. Which of the following equations is equivalent to 3y – 5 = 45, but written only in terms of x? • 9x – 6 = 50 • 9x – 6 = 40 • 15x – 10 = 40 • 15x – 10 = 50 RATIONALE CONCEPT 3 Jacob opened a ...

Sophia Learning, College Algebra, Milestone 3, WITH ANSWERS 1 The graph of a linear function passes through the points and . Find the slope of this function. • • • • RATIONALE CONCEPT 2 The prices for a loaf of bread and a gallon of milk for two supermarkets are shown below. A B Bread $2.20 $2.50 Milk $3.60 $3.40 Mary needs to buy bread and milk for her church picnic. At Supermarket A, she would pay $44.20. At Supermarket B, she wou...

Sophia Learning, College Algebra, Milestone 3, WITH ANSWERS 1 The graph of a linear function passes through the points and . Find the slope of this function. • • • • RATIONALE CONCEPT 2 The prices for a loaf of bread and a gallon of milk for two supermarkets are shown below. A B Bread $2.20 $2.50 Milk $3.60 $3.40 Mary needs to buy bread and milk for her church picnic. At Supermarket A, she would pay $44.20. At Supermarket B, she wou...