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WorksheetsTrigonometric Ratios and Functions
Total questions: 152
Worksheet time: 37hrs 31mins
RIGHTANG
SOHCAHTOA
SHOCHATOA
SAHCOHTAO
What is the correct trigonometric ratio for the given right triangle?
sin40∘=28w
cos40∘=28w
tan40∘=28w
sin40∘=w28
Solve for x in the equation . Round to the nearest tenth.
103.5
4.7
55.0
9.7
Choose the correct ratio for the given triangle.
cos 33° = 14x
sin 33° = 14x
cos 33° = x14
sin 33° = x14
Set up the problem to solve for x:
sin(47) = x/28
cos(47) = x/28
tan(47) = x/28
cos(47) = 28/x
What are the value of x and ( y ) in the given triangle.
In addition what is the area of the triangle.
Look up 45-45-90 triangles rules
x = 10
y = 5sq root of 2
Area = 25
x = 10
y = 5sq root of 2
Area = 50
x = 20
y = 5sq root of 2
Area = 25
x = 10
y = 5sq root of 3
Area = 25
None of these
What is the value of x and y ?
Look up rules for 30-60-90 Triangle
To go from 60 degree side to 30 degree side divide by sq root of 3,,then mult be 2 to fine the big side.
x=14
y = 7
143
x= 7
y = 14
273 .
None of these
Match the following for finding sides in a 30-60-90 right triangle.
Short Leg
Half of the hypotenuse
Hypotenuse
Double the short leg
Long Leg
Short leg times square root of 3
Match the following for a 30-60-90 right triangle
Short Leg
Opposite the 30° angle.
Long Leg
Opposite the 60° angle.
Hypotenuse
Opposite the right angle.
Which set of sides would make a right triangle?
Use: c2 < a2 + b2 acute
c2 = a2 + b2 right
c2 > a2 + b2 obtuse
Solve for the missing distance (d) in the right triangle shown in the image.
18.9
19.5
47.3
27.5
Determine if this triangle is acute, right, or obtuse. Use:
c2 < a2 + b2
c2 = a2 + b2
c2 > a2 + b2
Acute triangle
Right triangle
Obtuse triangle
Cannot form a triangle
Determine if this triangle is acute, right, or obtuse. Use:
c2 < a2 + b2
c2 = a2 + b2
c2 > a2 + b2
Acute triangle
Right triangle
Obtuse triangle
Cannot make a triangle
Determine if this triangle is acute, right, or obtuse. Use:
c2 < a2 + b2
c2 = a2 + b2
c2 > a2 + b2
Acute triangle
Right triangle
Obtuse triangle
Cannot form a triangle
Find m∠Y to the nearest tenth.
39
34
35.1
30
Find the area of the triangle to the nearest tenth.
(s) sin(@) (s) then divide by 2
18.5
14.1
19
12.4
Find Length CB and
The area of the triangle is (a) , to the nearest tenth.
First use Law of sine ,,then area formula
Find the area of the triangle DEF to the nearest tenth.
First use Law of sine ,,then area formula
29.8
23.4
27.6
27
What is the length of side x?
First use Law of sine
Parker must find the distance from Point A to Point B on opposite sides of a lake. He locates Point C that is 860 feet from Point A and 175 feet from Point B. He measures the angle at Point C to be 78 degrees. Find the distance from Point A to Point B.
Law of Cosine is needed.
707643.58
841.22
877.62
842.01
(a) feet.
15
25
30
Use the Law of Cosines to find angle T.
62.2 degrees
53.1 degrees
59.5 degrees
64.7 degrees
A post is supported by two wires (one on each side going in opposite directions), creating an angle of 80 degrees between the wires. The ends of the wires are 12m apart on the ground, with one wire forming an angle of 40 degrees with the ground. Find the lengths of the wires.
7.8 and 10.6 meters
9.4 and 12.2 meters
4.3 and 7.3 meters
7.8 and 11.3 meters
Two ships are sailing from Halifax. The Nina is sailing due east, and the Pinta is sailing 43 degrees south of east. After an hour, the Nina has traveled 115 km, and the Pinta has traveled 98 km. How far apart are the two ships?
85.1 km
103.2 km
79.7 km
23.5 km
Two people are standing on the shore 1/2 mile apart at points A and B and measure the angle to a sailboat at point C at the same time. Angle A is 63 degrees and angle B is 56 degrees. Find the distance from each person to the sailboat.
Person A is 0.47 miles and person B is 0.51 miles from the sailboat.
Person A is 0.51 miles and person B is 0.41 miles from the sailboat.
Person A is 0.79 miles and person B is 0.35 miles from the sailboat.
Person A is 0.35 miles and person B is 0.79 miles from the sailboat.
Carl and Billy both start at point A. They each walk in a straight line at an angle of 105 degrees to each other. After 45 minutes, Carl has walked 4.5 km and Billy has walked 6 km. How far apart are they?
10.5 km
8.4 km
13.1 km
5.3 km
Points A and B are on opposite sides of the Grand Canyon. Point C is 200 yards from A. Angle B measures 87 degrees and angle C measures 67 degrees. What is the distance between A and B?
193.2 yds
205.2 yds
184.4 yds
150.3 yds
Jack is flying his kite. He runs 100 feet away from his house and lets out 75 feet of string. The angle of elevation from the ground to the kite is 65 degrees. How far away is the kite from the house?
9285.73 ft
96.36 ft
24061.81 ft
155.12 ft
Using Heron's formula, find the area of the triangle with sides 7, 8, and 13.
A = √[s(s-a)(s-b)(s-c)]
s = (a + b + c)/2.
First,,,,,,Add the sides and divide by 2 to find S
56
28
24.2
104.4
What is the correct setup to find side p?
p2=162+192−2(16)(19)cos48
p2=162−192+2(16)(19)sin48
p=16+19+2(16)(19)cos48
162=p2+192−5(16)(19)cos48
Match the following
Sin A
178
Cos A
1715
Tan A
158
Tan C
815
Size of Angle B
90°
Match the following
Sin Z
1312
Cos Z
135
Tan Z
512
Tan X
125
Area of the triangle
120
Match the following tables with their corresponding linear equations in the form of y=mx+b
y = 3x - 3
| x | y |
|---|---|
| 0 | -3 |
| 1 | -6 |
| 2 | -9 |
| 3 | -12 |
| 4 | -15 |
y = -3x + 3
| x | y |
|---|---|
| 0 | 3 |
| 1 | 0 |
| 2 | -3 |
| 3 | -6 |
| 4 | -9 |
y = -3x - 3
| x | y |
|---|---|
| 0 | -3 |
| 1 | 0 |
| 2 | 3 |
| 3 | 6 |
| 4 | 9 |
y = 3x + 3
| x | y |
|---|---|
| 0 | 3 |
| 1 | 6 |
| 2 | 9 |
| 3 | 12 |
| 4 | 15 |
Write a linear equation in the form of y = mx + b.
y = x + 2
y = 2x - 1
y = 3x - 2
y = 2x + 1
What is the slope of the line represented by the table?
1/2
2
7
3
Which table best represents this equation?
Which table represents the graph?
Turkeys R Us delivers on Thanksgiving. A holiday meal costs $12.50 per person plus a delivery fee of $30. Which of the following functions best represents this? Choose 2 answers.
y = 30 + 12.50x
y = 12.50 + 30
y = 12.50 + 30x
y = 12.50x + 30
Sandra has a $20 iTunes gift card and spends $3 each month.
Which function best represents this?
y = 3x + 20
y = 3 + 20x
y = -3x + 20
y = -20x + 3
A gym charges an initial fee plus a monthly charge. Use the table to find the rate of change, which is the cost per month.
$75 per month
$55 per month
$45 per month
$35 per month
What is the initial cost?
12
20
36
44
Which of the following scenarios best represents this graph?
Jane charges $28 an hour to clean.
Fred paid someone $20 to come to his house and clean his car.
Jeri paid $28 per hour for someone to clean her house.
Fred paid an initial fee of $20 for a car cleaner to come out and then an additional $8 per hour.
Match the following gym charges with their initial fees.
$75
Company A: y = 35x + 40
$35
Company B: y = 35x + 75
$45
Company C: y = 35x + 35
$40
Company D: y = 35x + 45
A
B
C
D
A
B
C
D
Solve for x: 4−4∣x+3∣>8
(−4,−2)
(−∞,−4)∪(−2,∞)
x={ }
all real numbers
no solution
infinite solutions
y= 4x + 3
2x - 3y = 21
Match the following systems of equations with their solutions.
( 3 , -1 )
y = -x + 2 and y = 2x - 7
( 7 , 7 )
y = x + 0 and y = x + 7
( -1 , 3 )
y = x - 4 and y = -x + 2
( 1 , 1 )
y = 2x - 1 and y = x + 0
What is the solution to this system of equations? Solve by substitution or graphing.
(7, -8)
(-7, 8)
(-7, -8)
(7, 8)
Match the following points with the slope of the line passing through them.
0
(2, 3) and (5, 3)
Undefined
(4, 2) and (4, 5)
-1
(1, 2) and (3, 0)
1
(-3, -4) and (7, 6)
−4x − 4y = 0
4x + 4y = 0
At the Wayne County bookstore, Carla purchased a math textbook and a novel that cost a total of $54, not including tax. If the price of the math textbook, t, is $8 more than 3 times the price of the novel, n, which system of linear equations could be used to determine the price of each book?
t + n = 54
t = 3n + 8
t + n = 54
n = 3t + 8
t + n = 54
t = 3n - 8
t + n = 8
t = 3n + 54
Your family goes to Mississippi Fried for dinner. There are 6 people in your family. Some order the chicken fingers for $14.80, and some order the Deluxe Chicken Dinner for $17. If the total bill was $91, which system best represents the situation?
x + y = 6
14.80x + 17y = 91
x + y = 91
14.80x + 17y = 6
x + y = 6
14.80y + 17x = 91
x + y = 91
14.80x+ 17y = 6
Which points are solutions to the system of inequalities. Select all that apply.
(2,2)
(0,0)
(4,1)
(0,1)
(3,-1)
Which points are solutions to the system of inequalities? Select all that apply.
(0,0)
(-1,1)
(1,-1)
(0,-4)
(0,1)
Which two inequalities make up the given system?
y<2−1x+1
y>2−1x+1
y≥4x−4
y≤4x−4
Which two inequalities create the system pictured?
y>41x+2
y<41x+2
y≤−3x+4
y≥−3x+4
Lizzy has 30 coins that total $4.80. All of her coins are dimes, D, and quarters, Q. Which system of equations models this situation?
D + Q = 4.80
0.10D + 0.25Q = 30
D + Q = 30
0.10D + 0.25Q = 4.80
D + Q = 30
0.25D + 0.10Q = 4.80
D + Q = 4.80
0.25D + 0.10Q = 30
The perimeter of a rectangle is forty inches. The length is two inches more than three times the width.
2L + 2w = 40
L = 3w + 2
2L + 2w = 40
w = 3L + 2
2L + 2w = 40
L = 2w + 3
2L + 2w = 40
w = 2L + 3
x + y + z = 4
x = -2y
z = -3y
Solve the system.
y = -1
z = 3
y = 3
z = 1
y = -2
z = 0
y = 1
z = -1
Find the volume
960 cm 3
240 cm 3
960 cm 2
1920 cm 3
Angle 3 and Angle 6 are examples of which type of angle pair?
Alternate exterior angles
Alternate interior angles
Vertical angles
Corresponding angles
The area of the trapezoid is (a)
What is the area of this triangle?
35 units2
30 units2
70 units2
Find the area:
104.5 units²
120 units²
80.5 units²
2400 units²
Match the following triangles with their areas:
20 cm2
Base = 5 cm, Height = 8 cm
56 cm2
Base = 8 cm, Height = 14 cm
28 cm2
Base = 8 cm, Height = 7 cm
27 cm2
Base = 9 cm, Height = 6 cm
A 10 ft. tree creates a shadow that is 15 ft. long. Find the angle of elevation of the sun.
34 degrees
56 degrees
72 degrees
15 degrees
Given the illustrations above, determine the angle of elevation
JK
JL
KL
S
against a building 5 feet away. What angle does the ramp make with the ground?
Match the following
Sin Z
1312
Cos Z
135
Tan Z
512
Tan X
125
Area of the triangle
120
Match the following
Sin Z
419
Cos Z
4140
Tan Z
409
Area of the triangle
180
Tan X
940
Use the quadratic formula to solve 2x2 + 2x - 12.
-2, 3
2, 3
2, -3
-2, -3
Use the quadratic formula to find the solutions for
y = -x2 - 5x + 12
No Real Solution
25x2 - 81?
(x + 2)(x - 3) = 0 ?
Which formula is used to factor the difference of squares?
a² - b² = (a + b)(a - b)
a² - b² = (a² + b²)
a² - b² = a - b
a² - b² = (a - b)(a + b²)
Factor 27x3−1 using the difference of cubes formula.
(3x−1)(9x2−3x+1)
(3x−1)(9x2+3x+1)
(27x−1)(x2+x+1)
(3x2−1)(9x+1)
What is the factored form of x3+8 ?
(x+2)(x2−2x+4)
(x+2)(x2+2x+4)
(x3+2)
(x+2)(x+4)
3x2 + 18x +15
Hint: Factor GCF first.
Factor the difference of two perfect cubes: 125x3 - 1
(5x - 1)(25x2 - 5x + 1)
(5x + 1)(25x2 + 5x + 1)
(5x + 1)(25x2 - 5x + 1)
(5x - 1)(25x2 + 5x + 1)
1. P4 - A rectangular prism is subdivided into four smaller rectangular prisms as shown. The volumes of the smaller prisms are given below. Match them with their side measurements.
V=4x2
s3=4⋅x⋅x
V=2x2
s3=2⋅x⋅x
V=8x
s3=2⋅4⋅x
V=x3
s3=x⋅x⋅x
A. P7 - The steps and their justifications for factoring the polynomial 4x3+8x2−9x−18 by grouping are shown. Reorder the factoring steps into the correct order.
4x3+8x2−9x−18
(4x3+8x2)+(−9x−18)
4x2(x+2)−9(x+2)
(4x2−9)(x+2)
(2x+3)(2x−3)(x+2)
Factor completely:
8x3-27
(2x+3)(4x2-6x+9)
(2x-3)(4x2+6x+9)
(2x-3)(4x2+6x-9)
(2x-3)(2x2+6x+9)
Factor completely:
64x3+125
(4x+5)(16x2-20x+25)
(4x-5)(16x2+20x+25)
(4x-5)(4x2+20x-25)
(4x-5)(4x2+20x+25)
4n2-17n-15?
3x3-x2+6x-2
y = 3(x + 5)2 - 4,
what is the vertex of the parabola?
y=-(x-4)2-3,
does this parabola have a maximum or minimum value?
Where is the axis of symmetry?
What does the quadratic function that has a vertex of (3,4) look like?
y = a(x+3)2 + 4
y = a(x-3)2 + 4
y = -a(x+3) - 4
y = a(x-3)2 - 4
What is the vertex form of a quadratic function?
f(x) = 2a(x-h)2 + k
f(x) = a(x-h)2 + k
f(x) = (x+h)2 + k
f(x) = a(x-h) - k
Convert f(x) = 3x2+ 6x - 5 to vertex form.
f(x) = 3(x + 1)2 - 8
f(x) = 3(x - 1) 2 - 8
f(x) = 3(x + 2)2 - 8
f(x) = 3(x - 2)2 - 8
(x - 4)2 + (y - 3)2 = 25 ?
Radius = 5 units
Radius = 25 units
Radius = 25 units
Radius = 5 units
What are the coordinates of the focus?
(-9, 2)
(-5, 2)
(-7, 2)
(-3, 2)
What is the missing value for the coefficient in the equation?
x−4=…(y+1)2
-3
-12
−121
−31
Which graph represents 16(y−1)2−4(x+1)2=1
Determine the equation of the hyperbola.
4x2−1y2=1
2x2−1y2=1
4x2+y2=1
2x2+y2=1
What are the co-vertices of the given ellipse?
(5, −4) and (5, 2)
(−2, −1) and (12, −1)
(−1, −2) and (−1, 12)
(−4, 5) and (2, 5)
Find the standard equation of the given ellipse
Write the equation of the hyperbola with co-vertices at (4, 0) and (-4, 0) and foci at (0, 5) and (0, -5).
Does this function represent Exponential Growth or Exponential Decay?
f(x) = 21(41)x
Exponential Growth
Exponential Decay
(10m4)8
10m12
108m12
108m32
10m32
(4x2y3z)3
4x5y3z3
43x5y6z3
4x6y9z3
43x6y9z3
log636 = 2
5-3x - 1 = 25
6-3x=216
x=3
x=-1
x=6
x=-3
The reciprocal of cosine is
sine
secant
cosecant
cotangent
The reciprocal of tangent is
secant
cosecant
cotangent
