Equations
-126 = -3x + (-6 (4x + 3))
4
Graph numbers larger than but not including 7
open circle on 7, arrow going towards larger numbers
2/x + y/x
(2+y)/x
solve for a
u = b + ak
a = (u-b)/k
Which is a better buy? An 18oz jar of Nutella for $7.38 or a 27 ounce jar for $15.39?
The 18oz jar is a better buy
-5 + (-7 (-2 - 4x)) = 205
7
Dunkin was sure he didn't score less than a 73 on his algebra test. Show his possible scores on a graph.
closed circle on 73, arrow going towards smaller numbers
3y/y + 84/2z
(6yz+84y)/2yz
solve for a
a/m = n/p
a = mn/p
At a movie theater, the cost of admission to a matinee is $5.25. If this price represents a 30% discount from the evening price, find the evening price to the nearest cent,
$7.50
7/3 ( -7/2 m - 7/2) = - 98/3
3
Emma and Eve discussed that in 1 sitting, they would eat a minimum of 1 donut but no more than 4 donuts. Graph on a number line the number of donuts they would consume.
closed circle 1, closed circle 4 connected
x/2 + 4x/5
13x/10
solve for a
u = -9a - 3 - 4b for a
a = (-u - 3 - 4b)/9
Maddie ran 1000 feet in 80 seconds. What is Maddie’s speed expressed in miles per hour? (There are 5,280 feet in a mile).
8.52 mph
2 (2 - x) = -2x + (-2 (x + 1))
-3
Zander says "unc" in class at least 7 times. If he says it no more than 23 times, Ms. Sugg will give him a sticker. If Zander is saying "unc" and gets a sticker at the end of class, graph how many times he could have said "unc."
both closed circles
6/2xy + 2/3x
(18+4y)/6xy
solve for x
3 + 2x = 4v + w
x = (-3 + 4v + w)/2
Suppose 6 videos were added to a video collection that has 30 videos. What is the percent of change?
20% increase
-2 (3 + 3x) = -2 (-2x + 3)
0
Graph x is at least 2 units away from 3.
I will check!
a/c - 4/2c + 36y/9 - 6y/c
(72ac - 90a -36)/18c
g = 2(r + 3d - 6x)
x = (-g + 2r + 6d)/12
Joseph is constructing a model building on the 3D printer using a 1:300 scale. The base of Joseph’s model is a rectangle that has side lengths of 2 in. and 3 in. What is the area of the base of the actual building in feet?
3750 ft2