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Ch 5B Review Game Flashcards | StudBud
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Ch 5B Review Game
Solve: 4x2 + 100 = 0
Solve: 5x2 = -40
Ch 5B Review Game
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Answers
1
Solve: 5x
2
= -40
2i\sqrt{2}
8
\sqrt{8}
\pm2i\sqrt{2}
2
Solve: 4x
2
+ 100 = 0
5
\pm5i
-5i
5i
3
Use this table for the following data: X: 0,1,2,3,4 Y: 9,14,23,36,53 What quadratic equation best fits this data?
2.3x^2-3x+10
2x^2+3x+9
3x^2+8x-10
5x - 2
4
Use this table for the following data: X: 0,1,2,3,4 Y: 9,14,23,36,53 Predict the value of y, when x=8
228
82.3
161
5.52
5
Simplify: (2i + 5) + (3i - 7)
5i+12
6i-35
5i-2
i-2
6
Use this table for the following data:X: 0,1,2,3,4 Y: 9,14,23,36,53 How would you describe the correlation strength?
Moderate
Weak
Perfect
Strong
7
How many sides does a stopsign have?
8
4
7
6
8
Simplify: 5*\sqrt{-40}
-10i\sqrt{10}
10i\sqrt{10}
-200i
-10i\sqrt{50}
9
Solve: x^2+4x-8=0
x=5, x=-2
-2\pm2\sqrt{3}
x=-6, x =2
3\pm4\sqrt{3}
10
Find the discriminant: x
2
- 5x + 10
-15
10
-65
2
11
Trivia: Which toy company is from Minnesota
Tonka Trucks
Hasbro
Lego
Mattel
12
Simplify: (2i-1)(i-10)
-20i + 8
-20i -8
8-21i
8+21i
13
\sqrt{-75} simplifed is
25i\sqrt{3}
15i
5i\sqrt{3}
-5i\sqrt{3}
14
How many real solutions are there if the discriminant is negative?
1
2
3
0
15
Use this table for the following data: X: 0,1,2,3,4 Y: 9,14,23,36,53 What's the minimum?
7.875
-2
-10
100
16
\sqrt{-36} simplified is
6\sqrt{i}
-6i
6i
\sqrt{36i}
17
How many real solutions are there if the discriminant is positive?
0
1
3
2
18
What is John Lennon Best known for?
Being a leading scientist
Being a famous politician
Being a member of a rock group
Being a famous actor
19
What is the largest state? (by total square miles)
Texas
Alaska
California
Minnesota
20
Simplify: (2i + 5) - (3i - 7)
12-i
-2-i
5i + 12
-12+i
21
What city has 3 professional sports teams that all have black and yellow as their colors?
minnesota
pittsburgh
San Francisco
boston
22
Simplify; express in terms of i. \sqrt{-19}
-19i
19\sqrt{i}
\sqrt{19i}
i\sqrt{19}
23
Solve: x
2
+ 7x = -12
x=4, x= 3
x=7,x=3
x=4, x=-3
x=-4, x=-3
24
Trivia: In 1994 Crayola made scented crayons but discontinued after a year. Why?
The were too expensive to make
The broke easily
The smeared
Kids would eat them
