8 th Grade- 3 rd Nine Weeks Review #8 3.1 Find solutions to systems of two linear equations in two variables. What is the solution to the system of equations.

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8 th Grade- 3 rd Nine Weeks Review #8 3.1 Find solutions to systems of two linear equations in two variables. What is the solution to the system of equations shown below? y = 3 y = 2x – 1 A. (3, 2) B. (2, 3) C. (-2, 3) D. (3, -2) 3.4 Translate between various representations of linear functions. The table shows the cost of a taxi ride. Write an equation to represent the relationship between d, the distance in miles, and the cost c as shown in the table? 2.4 Solve real-world problems requiring scientific notation. A comet travels an orbit whose length is 2.3 x miles. What is the distance the comet travels after making 15 orbits? A x B x C x D x Analyze the graph of a linear function to find solutions and intercepts. What is the equation in slope-intercept form of the line graphed?

8 th Grade- 3 rd Nine Weeks Review #8 3.1 Find solutions to systems of two linear equations in two variables. The graph of the system of equations y = 2x + 1 and y = x + 3 is shown. What is the ordered pair of the solution to this system? 3.4 Translate between various representations of linear functions. Paz starts with $50 in his savings account and decides to add $10 to his account each week. Which equation can he use to find t, the total amount in dollars in his account, after n weeks? A. t = 10n + 50 B. t = 10n – 50 C. t = 50n + 10 D. t = 50n – Solve real-world problems requiring scientific notation. A light year is about 9.45 x kilometers. A star is about 4.3 light years away from Earth. About how many kilometers from Earth is the star? 4.2 Apply the Pythagorean theorem to find distance between points. Find the length of NP using the Pythagorean theorem.

8 th Grade- 3 rd Nine Weeks Review #8 3.1 Find solutions to systems of two linear equations in two variables. The number of books sold at the book fair was 4 times the number of books on tape sold. Books cost $5 each and books on tape cost $6 each. A total of $910 was collected. How many books on tape were sold? A. 6 B. 25 C. 35 D Translate between various representations of linear functions. A florist sells roses for $1.75 each. If the roses are placed in a vase, there is an additional fee of $8. Which equation can be used to find c, the cost of the roses in a vase, for r roses? A. c = 8(r ) B. c = 1.75r + 8 C. c = 1.75(r + 8) D. c = 8r Solve real-world problems requiring scientific notation. The distance from Memphis, TN to Portland, Maine is about x 10 3 kilometers. If Mavis drives half the distance before shopping, about how far does Mavis drive? A x B x 10 3 C x D x Solve and graph linear inequalities in two variables. Which inequality is shown in the graph?

8 th Grade- 3 rd Nine Weeks Review #8 A 3.1 Find solutions to systems of two linear equations in two variables. What is the solution to the system of equations shown below? x = -2 -x + 3 = y A. (-2, 5) B. (5, -2) C. (-2, 3) D. (3, -2) 3.4 Translate between various representations of linear functions. The graph shows the relationship between the hours Lourdes works and the amount of money she earns at her job? Which statement best describes the relationship shown in the graph? A. Lourdes earns $6.66 per hour plus tips. B. Lourdes earns $6.66 per hour. C. Lourdes earns $4 per hour. D. Lourdes earns more money per hour the longer she works. 2.4 Solve real- world problems requiring scientific notation. The Earth has a diameter of about 1.27 x 10 4 kilometers. The diameter of a dwarf planet is established to be 2.3 x 10 3 kilometers. About how many times larger is the diameter of Earth compared to the dwarf planet? A. ½ B. 2 C. 5.5 D Find measures of angles formed by parallel lines cut by a transversal.

8 th Grade- 3 rd Nine Weeks Review Assessment #8 day 5