algebra vocab
substitution
area of a triangle
unit rate
equivalent expressions
100
A letter in an algebraic expression that stands for an unknown amount
What is a variable?
100
(yes or no) Could x=7?
4y + 12 = 40
YES
100
Find the area.
1/2 (6) (9) = 27cm2
100
Find the unit rate. 180 miles in 3.7 hours
50 miles per hour
100
H+H+H+H+H Simplify this expression
5H
200
A number in front of a variable in an algebraic expression
What is a Coefficient?
200
(yes or no) Could x=2
3x2+8=20
yes
200
Find the area
4 ft2
200
Find the unit rate. Four notebooks for $8.50
$2.12 or $2.13 per notebook
200
2(3x-2) Use distributive property to simplify
6x-4
300
The 5 in this phrase:
2xy+5+ 3(y-2)
What is a constant?
300
(yes or no) Could x=2
5+3x2 - 55/5 = 21
no
300
Find the area.
16.25 cm2
300
Joe read 42 pages in 3 days. What is the unit rate?
14 pages per day
300
Simplify
2M + 14y - 8 + M - 6y + 9
3M + 8y + 1
400
The coefficients in the following phrase: 2x - y + 14
What is 2 and -1
400
If x=5 and y=3 Evaluate this expression:2x2- 10y
20
400
There are two ways to find the area of this triangle. What are they?
(9x4)/2=18 or (12x3)/2=18
400
Find the unit rate to help you solve. If Marta catches 14 fireflies in 30 minutes, how many should she catch in 2 hours?
56 fireflies
400
Simplify
3(2x2 + x + 1) - 5x + 6
6x2 - 2x + 9
500
The number of terms in this phrase: 3(x+1) - 2xy + 8
What is three?
500
(yes or no) Could x be 7? 4x + 2 > 30
No
500
Find the area. If 7in were the base, what would be the height? Bonus 100 pts for this part.
7.35 in2 Bonus= 2.1in
500
Find the unit rate to help you solve. If Niko washes 6 cars in 45 minutes, how many cars could he wash in 3 hours if he continues at this rate?
24 cars
500
Rewrite using the distributive property in at least two different ways. Bonus point for additional ways. 24 + 36
In any order: 2(12 + 18), 3(8 +12), 4(6 + 9), 6(4 +6), 12(2 + 3)