Informational-Interview Questions for Entrepreneurs Compiled by Katharine Hansen‚ Ph.D. Informational Interviews are a wonderful networking tool‚ as well as for learning more about careers in which you are interested. What if you’re more interested in starting your own business than working for someone else? Informational interviews are terrific for finding out more about what it takes to be a successful entrepreneur. Here are questions to consider asking entrepreneurs when you interview them:
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linear equation y = mx + b where m is the slope and b is the y-intercept. The equation in the form Ax + By = C where A‚ B and C are real numbers is referred to as the general form of a linear equation. We can rewrite a given linear equation Ax + By = C in the form y = mx + b and vice-versa using the basic properties of real numbers and the properties of equality. EXAMPLE: 1. Rewrite the following linear functions is the form y = mx + b. a. 5x + y = 12 Solution : 5x + 7 = 12 Y = -5x + 12
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in to your instructor. 1. What is the slope of the line in the graph below? Show your work. Answer: To find out the slope‚ you must first take two separate points on the graph‚ such as (-5‚-1) and (0‚1). Then‚ it’s a simple matter to use the equation [pic] to find the slope: [pic]= [pic] 2. What is the slope of the line represented by the table of values below? How do you know? |x |y | |-2 |3
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MULTIPLE REGRESSION After completing this chapter‚ you should be able to: understand model building using multiple regression analysis apply multiple regression analysis to business decision-making situations analyze and interpret the computer output for a multiple regression model test the significance of the independent variables in a multiple regression model use variable transformations to model nonlinear relationships recognize potential problems in multiple
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y=12 x+3 The parallel line must pass through point (-2‚ 1) Parallel lines share the same slope so the slope of the new line will be12. Because I have an ordered pair and the slope‚ I can use point-slope to find the new equation Y-y1=m(x-x1) Standard point-slope form y-1=12(x-(-2)) Slope and ordered pair substituted into the equation y-1=12(x) +-12(2) simplified
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worksheet. a. Estimate the population simple linear regression line that shows a relationship between the area and price of a house. (Price depends on the size of the house) b. Interpret the intercept and the slope of the line. c. Estimate the standard deviation of the error‚ s. d. Evaluate the model by testing the slope coefficient to see if there is a relationship at the 5% significance level. Construct the test hypothesis and use the regression output for this test. 2. (Problem 10.24‚ 10.48
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a) Use Excel functions (INTERCEPT‚ SLOPE and RSQ) to estimate the intercept‚ slope and coefficient of correlation (R2). b) Write the regression equation in a textbox. Use problem specific variable names (e.g. drying time instead of Y). c) Interpret the slope and R2 (in a textbox) d) Using the regression results‚ predict the drying time if the temperature is 85. Refer to the cells which contain the estimated intercept and slope parameters. Submission Congratulations‚ you
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8 Using the simple Linear Regression equation 4.9 Cautionary Notes and Limitations OBJECTIVES By the end of this chapter‚ you will be able to: 1 determine the strength and nature of the association between the variables. 2 interpret the observed relationship between the variables of interest. 3 estimate possible outcome of an unknown variable upon the knowledge of the value of the variables and the relationship between the variables. INTRODUCTION By observation‚ we may
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__________________________________________ __________________________________________ __________________________________________ Evaluate: 2. 3p – q when p = 7 and q = 3 3. when w = 10 and u = 5 4. for x = 36 and y = 4. 5. 4(c + 2) for c = 3. 6. when x = -2. 7. (2xy) for x = 5 and y = 3. 8. for q = -2 9. (x + 3) (10 – x) for x = 4. 10. Evaluate each expression. a. 8(3 + 5) – 10 • 3 b. [6(5) – 12] + [15 – 3(7)] c. (4 – 2)2 + (6 – 1)3 – (10 – 6)2 d. e. f.
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the opportunity to be actively involved in math through data analysis and statistics that are integrated into the curriculum. My hope is to show that these types of activities can be incorporated into an algebra I course as a way of teaching slope‚ y-intercept‚ and linear equations. I plan to teach a unit on linear equations during the third nine weeks of an eighth grade algebra I course next semester. The project will begin with one class learning the material typically covered in most algebra
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