Equations
What is the number in front of a variable called?
Coefficient
Can we solve an expression?
No
What is a Prime number?
A number whose only factors are 1 and itself
Simplify:
X3 * X-8
X-5 or 1/X5
Solve for X:
3(X - 6) = -36
3X - 18 = -36
+18 +18
3X = -18
X = -6
True or False
An equation does not have an equal sign
False
Fill in the blank:
We can _______________ an expression
simplify or evaluate
What is a composite number?
A number that has more than 2 factors
Evaluate when X = 2
-8X3
-64
What is the square root of 225?
15
Solve for X:
25 = -5X
X = -5
True or False
An expression has 1 solution
False
What are a pair of angles that add to 90 degrees called?
Complementary angles
Evaluate when X = -5
X3 + 100 =
-25
List the first 5 Prime numbers
2, 3, 5, 7, 11
What is the equation of a line?
Y = MX + B
Which of the following is not a term?
a) 3X
b) X + 9
c) 26
d) -42.7
b
How many degrees are in a straight angle?
180 degrees
Evaluate when X = -4
2X4 =
2(-4)4 =
2(256)
= 512
Solve for X:
81 = X2
X = 9
Solve:
4X + 8 = -68
X = -19
Simplify:
3B - 2X + 8B +11X - 22
11B +9X -22
What does LINEAR mean?
Makes a straight line
Combine Like Terms:
-2A3 + 4B2 +1A3 -99 -B2
-1A3 + 3B2 -99
Solve for X:
X3= 27
X = 3