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Transcript
ALGEBRA 1 VOCABULARY BUILDER: CHAPTER 2
Name ________________________________________________ Block ___________________________
Term
Definition / Description
Example
How is an equation different from an expression?
Equation
What is the solution to this equation?: - x + 5 = 12
Solution of an equation
Identity
Give example of an equation that would be an
‘Identity’:
Contradiction
Give example of an equation that would be an
‘Contradiction’:
Solve the formula for w: V = lwh
Formula
Literal Equation
Solve the literal equation for a:
b+c=
Show three different ways ratios can be written:
Ratio
Rate
Change the rate to feet per second:
65 miles per hour
Unit rate
Find the unit rate: A yellow jacket can fly 4.5
meters in 9 seconds.
Scale
A car model has the scale ‘1:20’ on the side. What
does this mean?
Scale factor
Two similar rectangles have side lengths of 4 in.
by 6 in. and 12 in. by 18 in. What is the scale
factor?
Solve the proportion for n:
Proportion
Similar
Corresponding sides /
angles
Show an example of two trapezoids that are
similar. (Label measurements)
Name all corresponding sides and corresponding
angles for ABC ~
JFK
Why is indirect measurement useful?
Indirect measurement
What is 0.4% of 20?
200% of 10?
Percent
Commission
Interest
How much commission and how much total
money would this salesman make?: $28,600 per
year plus a 4.25% commission on sales. Total
sales are $310,000
Calculate the interest amount at the total amount
owed: Loan of $900 at interest rate of 8.5% for
6 months
Percent change
Calculate the percent of change:
From 156 lbs to 130 lbs.
Discount
Calculate the amount of discount and the new
selling price: $45 jacket at 20% off
Markup
Calculate the amount of markup and the selling
price: $10,200 car at 42% markup