Algebra I Semester 1 Exam Released

Transcription

1 Algebra I 00 0 Semester Eam Released. Find the product Find the difference of the matrices The distributions of two classes final eam scores are shown. Period One Period Two Final Eam Scores Which statement about the bo-and-whisker plots is true? The median score for Period One is greater than Period Two. The range of scores for Period One is greater than Period Two. 0% of the scores for Period Two are between 60 and 7. 0% of the scores for Period One are between 6 and GO ON Clark Count School District Revised 08/0/0

2 Algebra I 00 0 Semester Eam Released. A drawer contains blue socks, white socks, and 6 black socks. One sock is pulled out at random. What is the probabilit the sock is black? 6. There are green marbles, 8 black marbles, and purple marbles in a bag. What is the probabilit of randoml choosing one black marble, then one purple marble, without putting the black marble back in the bag? Simplif the epression Evaluate the epression 6 when = Evaluate the epression 0 when = and The table represents a sequence. n 9? Which algebraic epression represents the n th term of the sequence? n +7 n + n + 8 9n GO ON Clark Count School District Revised 08/0/0

3 Algebra I 00 0 Semester Eam Released 0. Simplif the epression Simplif the epression Use the following rectangle.. Which of the following tables represent functions? I. Input Output II. Input Output 0 6 III. Input Output IV. Input Output 6 I onl IV onl I and IV onl II and III onl Which epression represents the perimeter of the rectangle? GO ON Clark Count School District Revised 08/0/0

4 Algebra I 00 0 Semester Eam Released. Which of the following graphs represent functions? I. II. III IV Which table of values represents the function f? f f III onl I and II onl II and III onl III and IV onl -0 f f Use the function below. f What is f? GO ON Clark Count School District Revised 08/0/0

5 Algebra I 00 0 Semester Eam Released 7. Translate the table into words. 0 6 is four less than two times is four more than two times is two more than is twice 8. Translate the verbal description below into an equation. is 7 less than times What is the range of the relation,, 8, 0,,, 7,? 8 7 8,,, 7,, 0, 0. Solve the equation for What is the solution set of 6? { } {0} no solution infinitel man solutions. Solve the equation. n n n n n 9 n n 00 0 GO ON Clark Count School District Revised 08/0/0

6 Algebra I 00 0 Semester Eam Released. Which point represents the solution of 8 0? Point A Point B Point C Point D. Solve for l in the equation. P = l + w P w l l P w l P w P w l. Paul uses the equation wh 0 to determine his wages w, in dollars, for h hours of work. He works 6 hours. What are his wages? 70 dollars 90 dollars 0 dollars 0 dollars A B C D 6. A student earned grades of 78, 80, 8, and 7 on the quizzes so far this quarter. What score must the student earn on the net quiz to have an average of 80? Which graph represents the solution to the inequalit? 8. Solve the inequalit for GO ON Clark Count School District Revised 08/0/0

7 Algebra I 00 0 Semester Eam Released 9. What is the solution set of 9?. Solve the inequalit. { } {} {, } {, } 0. Solve the compound inequalit. 6 r Which graph represents the solution to the compound inequalit below?. Which statement is true about the characteristics of the three lines? 86n or 6n 6 The have the same equation. The have the same slope. The have the same -intercept. The have the same -intercept GO ON Clark Count School District Revised 08/0/0

8 Algebra I 00 0 Semester Eam Released. The base pa for a salesperson is $0 per da plus $0 for each item sold.. Determine the slope of the line in the graph. Base Pa ($) Number of Items Sold What would happen to the graph if his pa per item changes to $ per item sold? The slope would decrease. The slope would increase. The graph would translate up. The graph would translate down. 6. Determine the slope of the line that passes through, and, GO ON Clark Count School District Revised 08/0/0

9 Algebra I 00 0 Semester Eam Released 7. Calculate the slope of the line that passes through the points, 7 and,. undefined 0 9. Which graph represents the equation? 8. What are the - and -intercepts of 6 8? -intercept -intercept -intercept -intercept, 0 ; -intercept 0, 9 9, 0 ; -intercept 0,, 0 ; -intercept 0, 6 6, 0 ; -intercept 0, GO ON Clark Count School District Revised 08/0/0

10 Algebra I 00 0 Semester Eam Released 0. Which graph represents the linear equation + = 0?. Which equation in standard form is equivalent to? 7 0. Which equation in slope-intercept form is equivalent to? Which equation has a slope of contains the point,? and GO ON Clark Count School District Revised 08/0/0

11 Algebra I 00 0 Semester Eam Released. What is the equation of the line that passes through, 6 and, 0? 8. Which line is parallel to the line? 6. Given the functions and 7 ( ), which statement is true? 7. The scatterplot shows the number of practice sessions b participants before a piano recital and the number of mistakes each made during the recital. Number of Mistakes Based on a linear model of the data, which is the best prediction for the number of mistakes after practice sessions? Number of Practice Sessions The lines are parallel. The lines are perpendicular. The lines have the same -intercept. The lines are the same GO ON Clark Count School District Revised 08/0/0

12 Algebra I 00 0 Semester Eam Released 8. Use the scatterplot. 9. Which graph represents the linear inequalit? Which linear equation best models the data? 00 0 GO ON Clark Count School District Revised 08/0/0

13 Algebra I 00 0 Semester Eam Released 0. Use the graph. What is the equation of the absolute value function? 00 0 GO ON Clark Count School District Revised 08/0/0

14 Algebra I 00 0 Semester Eam Released Free Response. Justif each step used to solve the algebraic equation 7. List each step Justification for each step. Use the graph of the line at right. (a) Complete the table of values (b) Eplain wh the line is a function. (c) Write a linear equation, in function notation, for the line GO ON Clark Count School District Revised 08/0/0

15 Algebra I 00 0 Semester Eam Released Free Response. Toda, Sarah has $6. Starting tomorrow, she will earn $0 each da. (a) Create a table of values that represents the total amount of mone that Sarah has toda and for each of the net seven das. (b) Make a graph of the table. (c) Write a linear equation that represents Sarah s total amount of mone A as a function of the number of das d. (d) Sarah wants to purchase a laptop that costs $8. What is the minimum number of das of earnings required for Sarah to have enough mone? 00 0 GO ON Clark Count School District Revised 08/0/0