Scientific Notation and Linear Functions

The video tutorial covers various mathematical concepts, including scientific notation, linear functions, parallel lines and angles, equation solutions, volume calculation of a cone, and data analysis using frequency tables. The instructor provides step-by-step explanations and examples to help students understand and apply these concepts effectively.

What is the first step in evaluating expressions in scientific notation?

• Multiply the coefficients.

• Subtract the exponents.

• Add the exponents together.

• Convert all numbers to the same power of ten.

When subtracting numbers in scientific notation, what must you remember to do?

• Multiply the exponents.

• Align the decimal points.

• Divide the coefficients.

• Add a zero to the smaller number.

How do you determine the new value in a linear function table?

• Divide the previous value by 2.

• Multiply the previous value by 2.

• Add a constant difference to the previous value.

• Subtract the previous value from the next.

In the equation e = 60h + 150, what does the 150 represent?

• The number of hours worked.

• The rate of change.

• The total earnings.

• The initial value or starting amount.

What is the measure of angle X if it corresponds to a 35-degree angle?

• 145 degrees

• 35 degrees

• 180 degrees

• 90 degrees

If two equations are exactly the same, how many solutions do they have?

• Two solutions

• One solution

• Infinite solutions

• No solution

What is the formula for the volume of a cone?

• πr²h/2

• 2πr²h

• 1/3πr²h

• πr²h

What is the x-value in the system of equations if y = 15?

• x = 3

• x = 5

• x = 9

• x = 12

How many gallons per minute is the aquarium being filled?

• 1.25 gallons per minute

• 2 gallons per minute

• 4 gallons per minute

• 5 gallons per minute

How many more males were surveyed than females?

• 12 more males

• 10 more males

• 5 more males

• 15 more males