Solving Equations and Functions

The video tutorial covers solving equations with rational numbers, evaluating expressions, matching equations to solving steps, writing equations with specific solutions, labeling number line markings, and modeling the descent and ascent of the Deep Sea Challenger. It provides step-by-step explanations and examples for each problem, helping students understand the concepts and apply them to solve mathematical problems.

What is the first step to solve the equation 2/5t = 6?

• Divide both sides by 6

• Multiply both sides by 5/2

• Subtract 2/5 from both sides

• Add 5 to both sides

If -4.5 = a - 8, what operation should be performed to isolate a?

• Divide both sides by 8

• Subtract 8 from both sides

• Add 8 to both sides

• Multiply both sides by -4.5

How do you isolate p in the equation 1/2 + p = -3?

• Subtract 1/2 from both sides

• Multiply both sides by 2

• Divide both sides by -3

• Add 1/2 to both sides

What is the value of x in the equation 12 = x * 3?

• 6

• 4

• 9

• 3

In the equation -12 = -3y, what is the value of y?

• 4

• -3

• 3

• -4

What is the result of x + y if x = 2/5 and y = -4?

• 18/5

• 3/5

• -18/5

• -3/5

How do you simplify 2x - z if x = 2/5 and z = -0.2?

• 1

• 0

• -1

• 2

What is the value of x + y + z if x = 2/5, y = -4, and z = -0.2?

• 4.2

• 3.8

• -3.8

• -4.2

What is the result of y * x if y = -4 and x = 2/5?

• 4/5

• -4/5

• 8/5

• -8/5

To solve x/5 = 8, what operation should be performed?

• Add 5 to both sides

• Divide both sides by 8

• Multiply both sides by 5

• Subtract 5 from both sides