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2nd semester exam review study guide Flashcards | StudBud
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2nd semester exam review study guide
2nd semester exam review study guide
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1
SAT Prep #1: When dealing with percent increase and decrease you can use this formula: A=a(1±r)
t
False
True
2
Chapter 6: evaluate
log 8
using a calculator, round three decimal places
~.903
~.9
~.9033333
~.90
3
Factoring polynomials: -16k
5
-250k
2
-2k2(2k+5)(4k2-10x+25)
-2k2
-2k2(8k2+5)
idk
4
Chapter 6: evaluate(solve)
log
4
64=x
4x=64 = x=3
1
64x=4 = no sloution
2
5
Chapter 5 part 1: using your Calculator round this expression two decimal places: 9
1/5
1.5511111111111111111111111
1.551111
1.5
~1.55
6
Factoring Completely is when every product of the polynomial left is unfactorable
False
True
7
Factor Out the GCF: 5x
2
+15x
5x(x+3)(x+3)
5x(x+3)
5(x2+3)
idk
8
Chapter 5 part 1: Radicals contain FRACTIONS?
True
False
9
Chapter 6: rewrite
5
2
=25
in Logarithmic form
log255=2
log25=25
log525=2
log52=25
10
SAT Prep #2: Outlier impacts the mean
True
False
11
Chapter 5 part 2: LetF\left(x\right)=3\sqrt{x}andG\left(x\right)=-10\sqrt{x} find (f+g)(x)
√x
-7√x
7√x
7
12
SAT Prep #2: what is the MEAN of maria's five cats? 12, 14, 12, 16, 16
14
16
4
12
13
Chapter 5 part 2: let F\left(x\right)=6xandG\left(x\right)=x^{\frac{3}{4}} find (f/g)(x)
0
1
6x1/4
6x
14
Chapter 5 part 1: find the real solution, round two decimals if necessary: 4x
5
=128
x=0
x=32
idk
x=2
15
SAT Pep #1: What is the average home value in 2010?
151,000
150,000
100,000
10
16
Chapter 5 part 2: Evaluate (f/g)16
4
12
1
6(16)
17
Chapter 5 part 2: Domains cannot be negative #
False
True
18
SAT Prep:Theoretical,The weather forecaster predicts a 20% chance of snow.What is the probability that it will NOT snow?
20
0
80%
0.8
19
Factoring Polynomials: x
3
-2x
2
-9x+18
(x-2)(x+3)(x-3)
x2(x-2)(x2-9)
help
(x-2)(x+3)
20
SAT Prep #1: What does the linear equation look like?
Y= A x Bx
?
Y=Bx+m
Y=mx+b
21
SAT Prep #2: What does MODE mean?
sum of the value in a data set, divided by how many values there are
MOST value that occurs the most often
cant have more than one mode
middle value of an ordered set
22
SAT Prep #1: The value of a truck bought new for 28,000 DECREASES 9.5% each year, write the exponential formula
A= 1+.095(28,000)
i forgot
A=28,000(1+.095)t
A= 28,000(1-.095)t
23
Chapter 5 part 1: Write ∛135 in simplest form
3∛5
∛27
3
∛5
24
Chapter 6: log
b
x is the
inverse
of the exponential function b
x
True
False
