Math 3 Notecards 59-94

What tool can you use to solve equations by typing them in different lines?

• Calculator

• Desmos

• Spreadsheet

• Text Editor

What do you need to find after typing equations in Desmos?

• Y-value of intersection

• X-value of intersection

• Slope of the line

• Midpoint of the line

What can you use Desmos for according to the text?

• To draw geometric shapes

• To see if two expressions are the same or simplified

• To solve equations

• To calculate integrals

What should you do to check if two expressions are the same using Desmos?

• Type both expressions in the same line

• Type one expression in line 1 and another in line 2

• Type both expressions in line 2

• Type one expression in line 3 and another in line 4

What does the symbol 's' represent in the formula for margin of error?

• Sample size

• Standard deviation

• Standard error

• Statistical mean

In the formula for margin of error, what does 'n' stand for?

• Number of trials

• Normal distribution

• Sample size

• Null hypothesis

What is the formula for the margin of error given in the image?

• 2 * (s / n)

• 2 * (s * n)

• 2 * (s / √n)

• 2 * (n / s)

What is the purpose of a simulation in mathematics?

• To create artistic designs

• To use math models and probabilities

• To write computer programs

• To conduct physical experiments

What is the main goal of an observation in sample design?

• To influence the responses

• To watch responses and avoid influencing

• To impose a treatment

• To pose questions and record responses

In a survey, what is the primary action taken by the researcher?

• Imposes a treatment

• Watches responses

• Poses questions and records responses

• Avoids influencing