MAT 126 Week 3 Quiz

This document MAT 126 Week 1 Quiz contains solutions on these questions:

  1. Classify the angle as acute, right, obtuse, or straight.

  2. Find the perimeter.

  3. Identify angles 6 and 7 as alternate interior, alternate exterior, corresponding, or vertical.

  4. Find the domain and range of the relation, and state whether or not the relation is a function. {(7, 2), (8, 2), (9, 2), (10, 2)}

  5. Adult tickets for a play cost $19 and child tickets cost $17. If there were 36 people at a performance and the theatre collected $646 from ticket sales, how many children attended the play?

  6. Classify the triangle according to sides and angles.

  7. Find the circumference of the circle. Use ? = 3.14.

  8. Determine whether or not the relation is a function. {(-3, 6), (-2, 7), (-1, 8), (0, 9)}

  9. Carla invested $23,000, part at 16% and part at 15%. If the total interest at the end of the year is $3,500, how much did she invest at 16%?

  10. The amount of revenue a company makes per day by selling x items is given by the function f(x) = 14x - 0.2x2. How many items should be sold if the company wants to maximize their profit?

  11. Find the y-intercept. x + 4y = -4

  12. The triangles in the figure below are similar. Use the proportional property of similar triangles to find the measure of x.

  13. Identify angles 4 and 5 as alternate interior, alternate exterior, corresponding, or vertical.

  14. Find the slope of the line passing through the points (7, 0) and (0, 10).

  15. Find the domain and range of the relation, and state whether or not

    the relation is a function. {(1, 3), (2, 3), (3, 3), (4, 3)}

  16. Find the y-intercept. -2x - y = -10

  17. Find the domain and range of the relation, and state whether or not the relation is a function. {(1, 4), (1, 5), (1, 6), (1, 7)}

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