Survey

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts

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