Скачать презентацию 1 A linear equation whose graph goes through

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1. A linear equation whose graph goes through the origin has a slope of. Which of the graphs below represent this equation? A B

C D

2. Choose the graph that matches the given inequality. 2 y + x < 6 B 0 5 10 0 0 5 5 10 10 A 0 5 10

D 0 5 10 0 0 5 5 10 10 C 0 5 10

3. Name the inequality graphed below. A y< x-4 B y≤ C y≥- x-4 D y>- x-4

4. Cathy is planning to buy a brand new car. The car costs more than \$21, 000. She has d amount of dollars savings in the bank. What is the minimum number of days she needs to work in order for her to buy the brand new car, if she earns \$220/day and her savings, d =\$7, 800? . A 58 B 60 C 59 D 61

5. Which of the following equations below is perpendicular to 3 y + x = 9 ? A y = - x + 3 B y = x+ 3 C y = -3 x + 3 D y = 3 x + 3

6. Write an equation in slope-intercept form for the line that passes through (-3, 5) and is parallel to the graph of 9 y – 6 x =12 A y = - x + 7 B y = C y = D y = - x+ 7 x- 3 x+ 7

7. Write an equation in slope-intercept form for the line that passes through points (-1, 3) and (5, -2). A y = - x-3 B y = D y = - x+3 C y = - x+2

8. Label the points on the coordinate plane and solve for the distance between them. A 2 B 5 C D

9. Which of the following equation is equivalent to y = 3 x - 7 A y = 9 x - 14 B y + 3 x = -7 D 3 y + 21 = 9 x C 3 y - 21 = 9 x

10. Write an equation in slope-intercept form for the line that passes through (4, -5) and is perpendicular to the graph of 10+2 x = 5 y A y= - x - 15 B y = - x+5 C y= - x - 15 D y = - x+5

11. Which of the following is the graph of the line with the slope of 2 and y-intercept =3? A B

C D

12. Which of the following is the graph of 2 y – 4 ≥ x A B

C D

13. Sarah found a used bookstore that sells pre-owned (v)videos and (c)Cds. Videos cost \$11 each and CDs cost \$8 each. She can only spend no more than \$60. Which of the following inequality represents this situation? A 11 v - 8 c ≥ 60 B 11 v + 8 c ≥ 60 C 11+v + 8 c ≤ 60 D 11 v + 8 c ≤ 60

14. Refer to question in number 13. Does Sarah have enough money to buy 3 videos and 3 CDs? Explain. A No, these will Yes, she will only B pay \$22. Yes, she will only C pay \$57. No, she does not D have enough money. cost her \$65

15. Which of the following equations x = 2 y - 4 below is perpendicular to A C x+2=y 2 y = - 6 x B y=- x― 3 D y = 3 x - 3

SPR 1. Malik has a small business of computer hardware. He sold a thumb drive for \$12. 00 and a piece of blank CD for \$1. 25. In order to cover his capital, he need to raise at least \$150. Write an inequality that represents this situation. If the number of thumb drive sold is 10, how many CD’s must be sold to cover the capital?

SPR 2. Find the maximum value of c in the equation below. c + 7 < 15

SPR 3. What is the slope of the line that is perpendicular to the line of the equation 4 y = -2 x - 3

SPR 4. What is the slope of the line which passes through points (5, 8) and (2, -4)?

BCR 1. A. Solve and graph the inequality 3 y ≤ 4 x + 6 B. Use what you know about solving and graphing inequality to explain how you got your answer. Use numbers, words, and/or symbols in your explanation.

BCR 2. Mr. Cruz is preparing things he needs for his trip to Paris. He is willing to spend at least \$500 for 3 pairs of business suit and 5 polo shirts. Write an inequality that describes the combinations of prices x(in dollars) for a pair of business suit and prices y(in dollars) for a polo shirt.

B. Use what you know about writing inequality to explain how you got your answer. Use numbers, words, and/or symbols in your explanation.