In another dimension (dimensional analysis)
What's the weighted average?
Linear equations
Finding slope
Mixed Review
100
1 inch = 2.54 cm
What is 5.15 yd in cm?
470.9 cm
100
A tea company sells blended tea for $25/lb. To make blackberry tea, dried blackberries that cost $10.50 per pound are blended with black tea that costs $35 per pound.
What is the price per unit for blackberries, black tea, and blackberry tea?
dried blackberries = 10.50
black tea = 35
blackberry tea = 25
100
What is the formula we use for writing linear equations in slope-intercept form?
y=mx+b
100
What is the formula we use to find slope?
rise/run OR y-y/x-x
100
What is the full date (day of the week and day) of our Unit #3 assessment?
Wednesday, May 25th
200
1 inch = 2.54 cm
The volume of a wooden block is 6.30 in3. This is equivalent to how many cubic centimeters?
103 cm3
200
A tea company sells blended tea for $25/lb. To make blackberry tea, dried blackberries that cost $10.50 per pound are blended with black tea that costs $35 per pound.
How many units of each are there?
dried blackberries = 5
black tea = w
blackberry tea = 5 + w
200
What variable do we use to represent slope in our formula for slope-intercept form?
m
200
Fill in the blanks. What is another vocabulary term that we use for slope: _______ of ______
rate of change
200
What is the correct way that we write an ordered pair?
(x,y)
300
1 miles = 1.6 km
Convert 18 miles per hour to kilometers per minute
300
A tea company sells blended tea for $25/lb. To make blackberry tea, dried blackberries that cost $10.50 per pound are blended with black tea that costs $35 per pound.
What is the total price of the ingredients?
blackberry = 10.50(5)
black tea = 35w
blackberry tea = 25(5 + w)
300
Write a linear equation with a slope of 1/3 and a y-intercept of -2.
y = 1/3x-2
300
If you see a horizontal line on a graph for a linear equation, what does this tell you about the slope?
it has a slope of zero
300
If there are parallel lines for a system of equations, how many solutions does this system have?
zero or no solution
400
1 mile = 1.6 km
Convert 46 mph to m/s.
0.2 m/s
400
A tea company sells blended tea for $25/lb. To make blackberry tea, dried blackberries that cost $10.50 per pound are blended with black tea that costs $35 per pound.
Write an equation to find the amount of blackberries you need.
10.50(5) + 35w = 25(5+w)
400
What is the slope of y = 0?
m = 0
400
Find the slope of a line going through the points (-5,3) and (6,-4)
m =
-7/11
400
Solve for x in the following linear equation: 3x+7=16
x = 3
500
What is the density of mercury (13.6 g/cm3) in units of kg/m3?
500
A tea company sells blended tea for $25/lb. To make blackberry tea, dried blackberries that cost $10.50 per pound are blended with black tea that costs $35 per pound.
How many units of black tea is needed?
10.50(5) + 35w = 2(5 + w)
w = 7.25
500
What is the slope for a line that passes through the points (1,2) and (3,3)?
m =
1/2
500
Find the slope of the line that passes through the points (2,1) and (4,6)
slope = 5/2
500
Solve for x in the following linear equation: 4x+2=7x+8
x = 2