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Week 3 1.

Question :

Find the circumference and area of the circle if d = 30. Use p = 3.14.

2.

Question :

Find the vertex of the parabola.

y = -4x2 - 16x - 11

3. Question : Find the domain and range of the relation, and state whether or not the relation is a function. {(3, 9), (3, 10), (3, 11), (3, 12)}

4.

Question :

5. Question : The difference between the ages of two friends is 2 years. The sum of their ages is 74 years. Find the age of the older friend.

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

7.

Question :

Find the coordinates of the x-intercept.

-x + 5y = -15

8.

Question :

Write the equation in the slope-intercept form.

4x - 10y = 11

9. Question : 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? 10.

Question :

Determine whether or not the network is traversable.

11. Question : Identify angles 6 and 7 as alternate interior, alternate exterior, corresponding, or vertical.

12. Question : 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)}

13.

Question :

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

14. Question : In triangle ABC, angle C is a right angle. Find the measure of angle B if side b = 105 m and side c = 139 m.

15. Question : A tree which is 93 feet tall casts a shadow of 26 feet. Find the angle of elevation of the sun.

16.

Question :

Find the coordinates of the x-intercept.

2x + y = -6

17.

Question :

Determine whether or not the network is traversable.

18.

Question :

Find the slope of the line passing through the points (0, -4) and (-6, 7).

19. Question : 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)}

20.

Question :

y = -2x2 + 12x - 13

Find the vertex of the parabola.

Mat 126 week 3 quiz

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