NEW
Font size
WorksheetsSemester 2 Final Review 2020-2021
Total questions: 80
Worksheet time: 3hrs 29mins
15, 20, 25
In a right triangle, if a = 8 and c = 17, what is the correct setup to find the value of b?
172+82=b2
82+b2=172
172+b2=82
b282=100172
Sides a and b are called legs.
true
false
State if the 3 sides form an acute, obtuse, or right triangle.
9, 14, 15
acute
right
obtuse
State if the 3 sides form an acute, obtuse, or right triangle.
3, 12, 13
acute
right
obtuse
If you are given the SHORT LEG of a 30-60-90 triangle, how do you find the HYPOTENUSE?
Multiply by 2
Divide by 2
Multiply by √3
Divide by √3
If you are given the SHORT LEG of a 30-60-90 triangle, how do you find the LONG LEG?
Multiply by 2
Divide by 2
Multiply by √3
Divide by √3
Find a.
9
93
29
63
Which trig function would you use to solve for x?
sin37=x11
cos37=x11
tan37=x11
Which trig function would you use to solve for x?
sin40=19x
cos40=19x
tan40=19x
To the nearest whole degree.
66°
24°
22°
37°
Round your answer to the nearest tenth.
36.9°
31.0°
59.0°
53.1°
Which trigonometric function would you use to find "h", the height of the tree?
sine
cosine
tangent
none of these
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
From the top of a tower, a man finds that the angle of depression of a car on the ground is 30°. If the car is at a distance 40 meters from the base of the tower, how would you find the height of the tower?
tan30°=40x
tan30°=x40
tan60°=40x
sin30°=x40
V=πr2h
Find the volume of the hemisphere.
36 km3
18 km3
56.52 km3
113.04 km3
Which of the following is the equation of a circle with a center at (-1,3) and a radius of 4?
(x-1)2+(y+3)2=4
(x-1)2+(y+3)2=16
(x+1)2+(y-3)2=4
(x+1)2+(y-3)2=16
Determine the values of a, b, and c for the quadratic equation:
4x2 – 8x = 3
a = 4, b = -8, c = 3
a = 4, b =-8, c =-3
a = 4, b = 8, c = 3
a = 4, b = 8, c = -3
What is this formula?
This is the standard formula.
This is the quadratic formula.
This is the square root formula.
This is the Pythagorean formula
Use the quadratic formula to find the solutions for
y = -x2 - 5x + 12
No Real Solution
Solve using the quadratic formula...
9x2 = 4 + 7x
No solution
3x2−10x+1=0
Solve using the quadratic formula. Leave your answer in exact form.
x=6−10±88
x=3−5±222
x=610±112
x=35±22
Solve. 9x - 12 = 33
45
-5
5
-9
Solve 3x - 7 = 32
13
3
12
7
If the coefficient of the variable is a fraction, dividing both sides by a fraction is the same as...
dividing by a whole number
subtracting the fraction
using order of operations
multiplying by the reciprocal
Solve:
43b=2432
36
24
18
92w=24
w=801
w=10
w=108
w=110
Factor Completely:
x2 - 7x - 8
(x + 1)(x - 8)
(x + 1)(x + 8)
5(x + 4)(x + 5)
(x - 1)(x + 8)
Factor Completely: 5x2 - 11x + 6
(5x + 6)(x - 1)
(5x - 6)(x - 1)
(2x - 7)(x - 3)
(5x - 6)(x + 1)
Factor Completely:
x2 - 17x + 72
(x - 9)(x + 8)
(x - 9)(x - 8)
x(x - 3)
(x + 9)(x + 8)
2x² + 13x + 15
