Expressions and Variables
Write the product of seventy two and a number as a variable expression
Evaluate when x = 2
72x
72*(2) = 144
Identify the base, coefficient, and exponent in the following expression
3x5
Base = x
Coefficient = 3
Exponent = 5th power
9*6+27/3
63
-11+6
-5
Find the product or quotient
9(-11)
-99
Write the quotient of a number and three
Evaluate when x = 12
x/3
12/3 = 4
Rewrite the following expression as repeated multiplication, then solve.
(0.3)3
(0.3)*(0.3)*(0.3) = 0.027
72/((11-7)*2)
9
-1 + (-8)
-9
Find the product or quotient
(-35) / (-7)
5
Write a variable expression for a length of time in minutes if you know the number s of seconds
Evaluate when s = 540
s/60
540/60 = 9
Rewrite the expression as repeated multiplication and solve when K = 6
K3
K*K*K or 6*6*6
216
Evaluate the expression when X = 4 and Y = 2
1.2(x+3)
1.2*(4 + 3)
8.4
-41 +26 -(-11)
-4
Simplify
-5(-10)(-25)
-1250
Write a variable expression for the difference of a number and 4 that is divided by 3
Evaluate when x = 13
(13-x) / 3
(13 - 4) / 3 = 3
Which expression has a value of 81?
43 34 28 273
34
Evaluate the expression when x=4 and y=2
x2 - y
42 - 2
16 - 2
14
Evaluate the expression when x=(-8) y=4 and z=(-5)
x+z
-8 + (-5)
-13
Simplify
-72/12/3
-2
Write a variable expression for the distance that a car traveled at thirty miles per hour over a given amount of time
How far did the car go after 4.5 hours
30mph or 30x
30*4.5 = 135 miles
Write a variable expression for a scenario in which you send a text to 4 friends who all text four more friends who text 4 more friends... etc.
Evaluate after three rounds of texting
Bonus - How many texts total?
4x
43 = 64 texts in round 3
1+ 4 + 16 + 64 = 85 total people
Evaluate the expression when x=4 and y=2
2(x-y)2
8
Evaluate the expression when x=(-8) y=4 and z=(-5)
-19 - z
-19 - (-5)
-14
Evaluate the expression when x=(-4)
-6x^2
96