How many terms are in this expression?
2x2 + 4w - 42
There are three terms.
What is the value of x?
x + 5 = 15
x = 10
Solve for the variable below.
x/5 = 6
x = 30
Two angles are complementary if they equal 90°.
True. Complementary angles equal 90°.
What is the measure of ⦣a?
⦣a = 67°
Is the second term positive or negative?
3x4 - 21
The second term is negative.
What is the value of x?
34 - x = 14
x = 20
Solve for the variable below.
42 = 7x
x = 6
A 90° angle can also be called a right angle.
True. A right angle has 90°.
Are the angles shown below complementary or supplementary?
The angles are supplementary because they create a straight line which is equal to 180°.
How many terms are in this expression?
3x3 + 2x2 - 2x + 5
There are four terms.
What is the value of x?
45 ÷ x = 5
x = 9
Solve for the variable below.
j + 18 = 49
j = 31
Two angles are supplementary if they equal 190°.
False. Supplementary = 180°
Are the angles below complementary or supplementary?
The angles are complementary because they create a right angle (a perfect corner) which is equal to 90°.
Is the first term positive or negative?
3x2 - 4
Positive.
What is the value of x?
x • 4 = 48
x = 12
Solve for the variable below.
2x - 13 = 11
x = 12
The two angles shown below are supplementary angles.
False. The two angles are complementary because they make a right angle.
Name a pair of angles that are supplementary.
1 & 5
4 & 5
Is the second term positive or negative?
3x2 - 4
Negative.
What is the value of x?
56 - x = 21
x = 35
Solve for the variable below.
50 = (4x)/2
x = 25
The figure below shows that 180° is a straight angle.
How do we know that the sum of all angles below is 360°?
360°