1-step Equations
t – 19 = 2
21
2x + 7 = 19
6
True or false: the x-value of 8 satisfies the inequality x < 4
False
Evaluate the following expression at x = 2:
x2
4
True or false: contrary to popular belief, watersheds are any area of land where milk and honey collect and drain off, not water.
False
(v/5) = 9
45
5 + 6r = 29
4
True or false: multiple x-values can satisfy one inequality
True
Evaluate the following expression at x = 4, y = 1/3:
-8x + 3y
-31
A drainage basin is any area of land where ______ collects and drains off into a common outlet.
Precipitation (or "water" or "rain")
3 + a = –13
-16
3s – 17 = 19
12
True or false: the x-value of -4 satisfies the inequality x > -4.5
True
Evaluate the following expression at f = -1, g = 2, h =3:
4fgh + 5
-19
The largest river basin in the world is the basin of the _______ river. (Hint: neither the Mississippi nor the Nile river)
Amazon
-4 + y = -12
-8
(x/2) - 3 = 1
8
Draw a number line for the following inequality:
x > 4
An open circle at x=4 with an arrow pointing to the right
Evaluate the following expression at m = (1/3) and n = 1:
n2 - m2
8/9
The term "watershed" is often used interchangeably with "______ basin."
drainage
-5 = - (x/8)
40
(t + 28) / 3 = 11
5
Draw a number line and graph the following inequality: 2x < 6
An open circle at x = 3, with an arrow pointing left
What is one difference between expressions and equations, other than the fact that expressions do not have equal signs?
Unlike equations, expressions cannot be solved... they can only be simplified
About 50% of the world's land drains to the _____ Ocean, more than any other ocean on the planet. (Hint: the correct answer is not the world's largest ocean).
Pacific