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Algebra I - Session I Directions to the Student Today you will be taking Session I of the Missouri Algebra I Test. This is a test of how well you understand the course level expectations for Algebra I. There are several important things to remember: 1 Read each question carefully and think about the answer. Then choose the answer that you think is best. 2 Make sure you clearly mark the correct choice in your test book. 3 If you do not know the answer to a question, skip it and go on. You may return to it later if you have time. 4 If you finish the test early, you may check over your work. Page 1 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.
Algebra I - Session I 1. A system of equations is graphed below. What are the solutions to the system? A. (0, 5.6) and (0, 13) B. (0, 13) and (16, 1) C. (4, 10) and (7, 7.75) D. (16, 1) and (10, 0) Page 2 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.
Algebra I - Session I 2. Which of the following are factors of the equation when written in factored form? Select all that apply. 2a2 + 8a – 15 = 3a – 3 A. a – 4 B. a + 4 C. 2a – 9 D. 2a – 3 E. 2a + 3 F. 2a + 9 Go On Page 3 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.
Algebra I - Session I 3. Kelli recorded the amount of money she earned, y, for hours worked, x, in the table shown. Select the words that correctly complete the sentences. The function is _________. \ increasing \ decreasing The function is _________. \ linear \ quadratic \ exponential The y-intercept is _________. \ (1, 15) \ (0, 1) \ (0, 0) Page 4 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.
Algebra I - Session I 4. The table shows the distances that schools will travel to attend a field trip to the state capitol. School 7 has to travel 15 miles. If this outlier is added to the data, which is a true statement about how it changes the data in the table? Select all statements that apply. A. The data is less spread. B. The data is more spread. C. Both the median and the mean change. D. There is no change in the median and mean. E. There is no change in the spread of the data. F. The median stays the same, and the mean changes. G. The median changes, and the mean stays the same. Go On Page 5 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.
Algebra I - Session I 5. The formula for the area of a trapezoid is A = 12 (b1 + b2)h. Solve for b1. Which equation is a correct value for b1? (2A − b2) A. b1 = h 2A − b B. b1 = h 2 C. b1 = A − b2 2h 1 2 A − b2 D. b1 = h Page 6 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.
Algebra I - Session I 6. The area, in square units, of a rectangle is represented by 6x3 − 2x2 + 4x. If the width, in units, is 2x, what is the length, in units? Enter the expression that represents the length, in units, in the box. Go On Page 7 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.
Algebra I - Session I 7. Which student correctly solved this expression? 1 1 x3 · x4 7 A. Jo says the answer is x because the exponents should be added. 12 2 B. Kerrie says the answer is x 7 because the exponents should be added. 7 C. Alex says the answer is x because the exponents should be multiplied. 12 1 D. Tracy says the answer is x 12 because the exponents should be multiplied. Page 8 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.
Algebra I - Session I 8. This is the graph of y = f(x). Which of the following is the graph of y = 2f(x) − 1? A. C. B. D. Go On Page 9 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.
Algebra I - Session I 9. A residual is defined as the difference between the actual value of the dependent variable and the value predicted by the model. Which graph best represents a relationship that minimizes residuals? A. C. B. D. Page 10 Copyright © 2019 by the Missouri Department of Elementary and Secondary Education. All rights reserved.