Identify it!
What vocabulary word describes the "y" in 3y
Variable
Solve using the Order of Operations! 72+23
57
The sum of 8 and a number.
8 + n
Solve using substitution 2 + 5p Let p = 3
17
Write 23 in expanded form and solve!
2 x 2 x 2 = 8
What vocabulary word describes the 2 in y2
exponent
Solve using the Order of Operations!
18 ÷ ( 2 + 4) - 2
8 more than 1/2
1/2 + 8
Solve using substitutionn when a = 2.
4a + 42 - a
22
Yesterday, Mrs. Nieporte described "less than" and "more than" as ____________ words. What is the word that goes in the blank and what does that mean?
Switch Words - it means that you need to move that part of the expression to the back. For example. 8 less than a number would be n - 8 and not 8 - n
What is the vocabulary word for replacing a variable with a number and what operation does it imply?
SUBSTITUTION - operation is multiplication!!!!!!
(6-5+2)3
27
9 less than a number.
n-9
Evaluate the expression 2x3 – x2 + y
when x =3 and y = 2
47
What is the distance between Point A ( 5, 8) and Point B ( -2, 8)
7 units
True or False: y + 5 is equivalent to 2x - 4
FALSE
Solve using the Order of Operations! 60 - 5 x 32
15
8 less than the product of 10 and p
10p - 8
(a + b) - (a - b)2
What is the value of the expression above when a = 18 and b = 14?
16
The coordinates of C are (1, -2) Reflect it over the X axis. What are the new coordinates?
(1, 2)
True or false...and why?
r x 0 = r
False.
Solve using the Order of Operations! 2(5-1)2+5
37
the product of 6 and a number, x, decreased by 20
6x - 20
3D2 and D + D + D2 equivalent? You have to prove how you know!!
no, if you substitute 3 in for D you get
3D2 = 27
D + D + D2 = 15
The coordinates of B are (3, 2) Reflect it over the Y axis. What are the new coordinates?
(-3, 2)