Exploring Adding Polynomials

The video tutorial reviews key algebraic concepts such as combining like terms, solving for angles in triangles, and calculating perimeters. It also covers the effects of subtraction in algebraic expressions. The session includes practical examples and exercises to reinforce understanding.

What is the result of combining 7x and x?

• 7x

• 9x

• 8x

• 6x

Tags

CCSS.7.EE.A.1

When combining like terms, what should you do with the constants?

• Ignore them

• Place them at the end

• Place them in the middle

• Place them at the beginning

Tags

CCSS.7.EE.A.1

What is the simplified form of 3x^2 + x^2?

• 2x^2

• 3x^2

• 4x^2

• 5x^2

If you have -7x and subtract x, what is the result?

• -9x

• -7x

• -8x

• -6x

Tags

CCSS.7.EE.A.1

How do you find the perimeter of a triangle?

• Divide all sides

• Multiply all sides

• Subtract all sides

• Add all sides

Tags

CCSS.3.MD.D.8

What is the perimeter formula for a triangle with sides 9x, 2x, and 9x?

• 22x

• 19x

• 20x

• 18x

Tags

CCSS.3.MD.D.8

Anna delivers 55 newspapers and earns $12 in tips. What is her total earnings expression?

• 55x + 12

• 55 + 12

• 55 + 12x

• 55x - 12

Tags

CCSS.HSA-SSE.A.1A

Cole delivers 68 newspapers and earns $15 in tips. What is his total earnings expression?

• 68x - 15

• 68 + 15x

• 68x + 15

• 68 + 15

Tags

CCSS.HSA-SSE.A.1A

What do all angles in a triangle add up to?

• 180 degrees

• 130 degrees

• 90 degrees

• 360 degrees

Tags

CCSS.8.G.A.5

If x = 37, what is the measure of the angle 2x?

• 37 degrees

• 52 degrees

• 54 degrees

• 74 degrees

Tags

CCSS.7.G.B.5