Mathematics Test Assignment Help

Posted Homework Help Question:

1. Which of the following is the correct matrix representation of the Friday movie ticket sales?
 Ticket Sales for Thursday Children Adults Ticket Sales for Friday Children Adults Ticket Sales for Saturday Children Adults Regular 257 183 355 402 398 423 Matinee 135 168 242 311 376 386

2 points

Question 2

1. If A = and B = , find 3A + B.

2 points

Question 3

1. Matrix A has dimensions 5 x 1. Matrix B has dimensions 5 x 1. These two matrices can be multiplied.
 TRUE FALSE

2 points

1. Evaluate

2 points

1. Evaluate

2 points

Question 6

1. Find the determinant of
 -10 6 10 18

2 points

Question 7

1. Two lines that intersect have _____ solutions.
 one two three four

2 points

Question 8

1. Does the following system of equations have a solution?

 Yes No

2 points

Question 9

1. What is the approximate solution of the following system of equations?

 (-.7, -1.7) (.7, 1.7) (.7, -1.7) (-.7, 1.7)

2 points

Question 10

1. Solve the following system of equations by using the substitution method.
y = 2x + 3
5x â€“ 2y = -5

 (5, 6) (1, 5) (-11, -20) Inconsistent

2 points

Question 11

1. Solve y = 2x – 4 by the substitution method.
7x â€“ 5y = 14

 (0, 2) (2, 0) (-2, 1) (1, 3)

2 points

Question 12

1. Solve the following system of equations by using the elimination method.
3x â€“ 3y = 5
-x + y = 7

 (4, 0) (0, 4) Inconsistent Consistent

2 points

Question 13

1. Solve the following system of equations by using the elimination method.
2x â€“ 3y = -10
3x + 5y = 4

 (2, -2) (-2, 2) Inconsistent Consistent

2 points

Question 14

1. Solve the following system of equations using matrices.
3x â€“ 7y = 25
5x â€“ 8y = 27

 (25, 27) (27, 25) (-1, -4) (4, 1)

2 points

Question 15

1. Solve the following system of equations using matrices.
2x + 4y = 16
-4x â€“ 8y = 32

 (2, 2) (-2, -2) Consistent Inconsistent

2 points

Question 16

1. A collection of dimes and quarters has a total value of five dollars and contains 29 coins. How much of each kind of coin are there in the collection.
 15 dimes and 14 quarters 14 dimes and 15 quarters 10 dimes and 19 quarters 19 dimes and 10 quarters

2 points

Question 17

1. Which of the following is a solution to the following system of inequalities?

 (1, 1) (-4, 0) (3, 2) (0, 5)

2 points

Question 18

1. The following is the solution of x â€“ 2y > -4.
x + y â‰¥ -3

 TRUE FALSE

2 points

Question 19

1. Solve x + 2y = 10
-2x â€“ 4y = 24
5x + 5y + 5z = 15

 Infinite number of solutions no solutions (2, 4, -3) (0, -6, 9)

2 points

Question 20

1. Solve x + y + z = -6
-2x â€“ 2y â€“ 2z = 12
5x + 5y + 5z = -30

 Infinite number of solutions no solutions (1, -9, 3) (-1, -2, 3)

2 points

Question 21

1. The sum of three numbers is 12. The first number is the difference of the other two numbers. When you add the other two numbers and subtract 8, the result will be the first number. Find the numbers.
 2, 4, 6 2, 5, 5 3, 7, 2 5, 10, -3

2 points

Question 22

1. Which of the following are NOT perpendicular?
 The diagonals in a parallelogram The diagonals in a kite The diagonals in a rhombus The adjacent sides in a rectangle

2 points

Question 23

1. YWXZ is a rhombus with diagonals that intersect at point S. Side WX measures 4a + 12. Side XZ measures 6a. Find the value of a.

 Not enough information is given. 16.8 -6 6

2 points

Question 24

1. YWXZ is a rhombus with diagonals that intersect at point S. Angle WSX measures Find the value of x.

 26 56 34 Not enough information is given

2 points

Question 25

1. Triangle LMN is congruent to triangle HIJ. Angle L measures angle M measures and angle J measures 2x + 10 degrees. Find the value of x.
 27.5 35 12.5 40

2 points

Question 26

1. Triangle LMN is congruent to triangle HIJ. Angle L measures angle M measures and angle I measures 2x + 10 degrees. Find the value of x.
 27.5 35 12.5 40

2 points

Question 27

1. Triangle ABC is similar to triangle FGH. Angle A measures 42 degrees. Angle G measures 49 degrees. Find the measure of angle H.
 42 89 119 49

2 points

Question 28

1. Triangle ABC is similar to triangle XYZ. Side AB measures 2, side BC measures x + 5, side CA measures x + 7, side XY measures 4 and side YZ measures 5x â€“ 5. Find the value of x.
 6.33 7.2 5 8

2 points

Question 29

1. Point C is the center of the circle. The measure of angle ACB is 15x + 20. Arc AB measures 20x â€“ 10. Find the measure of arc AB.

 60 135 110 95

2 points

Question 30

1. Point C is the center of the circle. The measure of angle ACB is 15x + 20. Arc ADB measures 20x â€“ 10. Find the value of x.

 10.57 7 10 17

2 points

Question 31

1. Angle C is an inscribed angle of circle P. Angle C measures (16x â€“ 1)Â° and arc AB measures (20x + 10)Â°. Find x.

 1 5 3 9

2 points

Question 32

1. Point C is the center of the circle. What is the measure of arc ADB if ACB is equal to 102Â°?

 102Â° 51Â° 258Â° 360Â°

2 points

Question 33

1. Circles M and K are congruent, arc QR is congruent to arc LN and arc OP is congruent to arc VW. Find y.

 4 -4 -1 1

2 points

Question 34

1. Circles M and K are congruent, QR is congruent to LN and OP is congruent to VW. Find y.
 -4 4 -3 3

2 points

Question 35

1. Find x.

 96Â° 149Â° 112Â° 154Â°

2 points

Question 36

1. If equals , the is equal to 20Â° and angle A measures 12Â°. Find the value of x.
 10 3.5 11.5 5.5

2 points

Question 37

1. What is the distance between P(0, 14) and Q(5, -2)?
 13 14

2 points

Question 38

1. Find the midpoint of if P (8, 3) and Q(5, 2)?
 (2.5, 6.5) (6.5, 2.5) (5.5, 3.5) (3.5, 5.5)

2 points

Question 39

1. The equation represents a __________.
 parabola circle hyperbola ellipse

2 points

Question 40

1. What is the equation of the following graph?

2 points

Question 41

1. What is the equation of the following graph?

2 points

Question 42

1. What is the focus of the following graph?

 (-3, -2) (3, -2) (9, -2) (6, -2)

2 points

Question 43

1. What is the equation of the parabola with a focus at (-3, 0) and a directrix x = 3.

2 points

Question 44

1. Write the equation of a parabola with a vertex at (-5, 2) and a directrix y = -1.

2 points

Question 45

1. Does the following graph have horizontal or vertical symmetry?

 vertical horizontal

2 points

Question 46

1. What is the equation of the following graph?

 x2 + y2 = 1 x2 + y2 = 4 x2 + y2 = 16 x2 + y2 = 17

2 points

Question 47

1. What is the radius of the following circle?

 8 10 â€“5 5

2 points

Question 48

1. What is the radius of the following circle?

 6 â€“6 12 â€“12

2 points

Question 49

1. Write the equation of a circle with a center at (â€“7, â€“7) and a radius of 7.
 (x + 7)2 + (y + 7)2 = 49 (x + 7)2 + (y + 7)2 = 7 (x + 7)2 + (y + 7)2 = 14 (x â€“ 7)2 + (y â€“ 7)2 = 49

2 points

Question 50

1. Write the equation of a circle with a center at (2.5, â€“3.5) and a diameter of 12.
 (x + 2.5)2 + (y â€“ 3.5)2 = 12 (x â€“ 2.5)2 + (y + 3.5)2 = 36 (x + 2.5)2 + (y â€“ 3.5)2 = 36 (x â€“ 2.5)2 + (y + 3.5)2 = 144

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