Friday Flex HW 🧠 | April 19 Check-In

Fix the mistake in: 4x + 5 = 17 ➞ x = 3

• x = 4

• x = 3

• x = 2

• x = 5

Tags

CCSS.7.EE.B.4

What is a variable?

• A fixed number

• A letter representing a number

• A mathematical operation

• A type of equation

Tags

CCSS.7.EE.B.4

Evaluate: -2 - (-6)

• -8

• 4

• -4

• 8

Tags

CCSS.7.NS.A.1

Solve: 3(x + 4) = 21

• x = 1

• x = 3

• x = 5

• x = 7

Tags

CCSS.7.EE.B.4

What is the first step to solve: 5x - 3 = 2x + 6?

• Add 3 to both sides

• Subtract 2x from both sides

• Divide by 5

• Multiply by 2

Tags

CCSS.7.EE.B.4

Is 52 a perfect square?

• Yes

• No

• Only if squared

• Sometimes

Tags

CCSS.6.EE.A.1

Solve: -6 + 3

• -9

• 3

• -3

• 9

Tags

CCSS.7.NS.A.1

What's the last step in solving: 2x - 4 = 10?

• Add 4 to both sides

• Divide by 2

• Subtract 4 from both sides

• Multiply by 2

Tags

CCSS.7.EE.B.4

Which step shows correct distribution? A) 4x + 5 B) 4x + 20

• 4x + 5

• 4x + 20

• 4x + 10

• 4x + 15

Tags

CCSS.7.EE.A.1

Find x: x² = 144

• x = 12

• x = 14

• x = 10

• x = 16

Tags

CCSS.7.EE.B.4