Pre Algebra Unit 1 Review Challenge

The video reviews key concepts from unit one, including perfect squares and square roots, the distributive property, and combining like terms. It provides examples and explanations to help students understand these mathematical principles. The video concludes with a summary and encourages students to ask questions if needed.

What is the square root of 49?

• 8

• 7

• 9

• 6

Tags

CCSS.8.EE.A.2

What is the negative square root of 49?

• -8

• -7

• -9

• -6

Tags

CCSS.8.EE.A.2

What does the plus or minus symbol in front of the square root of 49 indicate?

• Only negative answer

• Only positive answer

• No solution

• Both positive and negative answers

Tags

CCSS.HSA-REI.B.4B

What does it mean when a negative number is under the radical?

• Undefined or no solution

• Both positive and negative solutions

• Negative solution

• Positive solution

What is the result of distributing -1 to the expression (x - 3)?

• x - 3

• -x + 3

• -x - 3

• x + 3

Tags

CCSS.7.EE.A.1

What is the result of distributing 7 to the expression (3x + 5)?

• 21x + 35

• 21x - 35

• 21x + 5

• 3x + 35

Tags

CCSS.6.EE.A.3

What is the result of combining 5x, -7x, and -x?

• -2x

• -3x

• 3x

• 2x

Tags

CCSS.7.EE.A.1

What is the result of combining 10 and 6?

• 16

• 17

• 14

• 15

Tags

CCSS.1.OA.A.1

What is the result of distributing -7 to the expression (x + 2)?

• -7x + 14

• -7x - 14

• 7x - 14

• 7x + 14

Tags

CCSS.6.EE.A.3

What is the final result of combining 8x and -7x, and then adding -14?

• x + 14

• -x + 14

• x - 14

• -x - 14

Tags

CCSS.7.EE.A.1