Basic Math and Units Quiz
Negative Numbers Simplify
6+-8= 3a + a =
8+6= 4b + 4ab =
-5 - (-3) = d2 + 4d + 4 =
5 - (-7) =
-4 * 5 = Round to the nearest 10th
9 / (-3) = 3.240 =
(-3) * (-2) = 3.260 =
(-15) / (-3) = 3.246 =
3.651 =
Exponents
62 = Solve the following Equations
33 = x+2=3
3x + 6 = 0
Square Roots ½x+4=6
36 =
Useful conversion factors
Order of Operation 1 in = 2.54 cm
7-3+5= 1 lb. = 0.455 kg
10 / 5 * 4 = 1 mile = 5280 ft.
3 + 18 / 6 = 1 ft = 12 in
2 * 7 + (10 - 5) = 1 min. = 60 s
1 kg = 9.81 N
Fractions
½+¾= Units
2/3 - ¾ = 1 km = _____m
2½*3¾= 1 m = _____cm
½/¾= 100 mm = _____m
1 kg = _____ lbs
Percentages 1 in = _____cm
27% of 0.73 = 10 mph = _____m/s
Trigonometry
On the triangle below label the hypotenuse, and the opposite and adjacent sides with respect to
angle A
A
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In the triangle shown below, angle A = 42 degrees and side x = 7 cm. Using the information
given below, find Angle B and the lengths of the two remaining sides, Y and Z
B Z
X
A
Y
For the above triangle, given that side X = 4 and side Z = 5, what is side Y = ____?
An Olympic rower must weigh 155 lbs. or less to be eligible to row as a lightweight. How many
kg's is this?
A: 70.45 kg
How many meters are there in a 100 yard football field?
A: 91.44 m
Y
S2
S1
X
What is the horizontal displacement from S1 to S2?
A: 4 units to the right
What is the vertical displacement from S1 to S2?
A: 2 units up
What is the resultant displacement?
A: 4.47 units
At what angle with respect to the right horizontal did the person travel?
A: 26.57 degrees wrtrh
Given the line in the graph above draw and label lines that are parallel, perpendicular, horizontal
and vertical
Using the trapezoid rule what is the area under the curve from S1 to S2?
A: 8 units2
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