GDC basics

What is the expansion of GDC?

• Game Display Calculator

• Graphic Display Calculator

• Graphic Display Casio Calculator

• Graphic Demo Calculator

Which of the following is not a GDC model?

• CASIO FX-CG50

• CASIO FX-9960G

• CASIO FX-CG950

• TI-n spire

Which of the following exam papers GDC is not allowed?

• IGCSE 0607 Paper 4

• IGCSE 0607 Paper 6

• IBDP AAHL Paper 2

• IBDP AASL Paper 1

The point of intersection of the graphs y=x^3+x+1 and y=x-1 is ____ (in 3 significant figures)

• (1.26,2.26)

• (-1.26,2.26)

• (1.26,-2.26)

• (-1.26,-2.26)

To find the x-intercept of a graph, which of the following function key should be used in a Casio GDC?

• Zero

• Solution

• Root

• X-Cal

To find the correlation coefficient, which of the menu a user should work on?

• Run.Mat

• Stat

• Equa

• Table

To find the mean of the x variable with frequency f, which of the following setting must be used?

• 1Var XList: List 1

  1Var Freq: List 2

• 1Var XList: List 1

  1Var Freq: 1

• 1Var XList: List 1

  1Var Freq: 3

• 1Var XList: List 1

  1Var Freq: List 3

Which of the option given below is used to find the correlation coefficient between x and y variable?

• 1-var

• 2-var

• Reg

• None of these

What is the variance of x based on the calculations shown?

• 11.75

• 4.32

• 4.99

• None of these

Output for the calculation of an x-variable is shown. What is the standard deviation of x?

• 3.11

• 3.59

• 5.75

• None of these