Graphing Calculator/Identifying Real Numbers

Which of the following numbers is an integer, rational, real number?

• a) -3.75

• b) -4

• c) ⅔

• a) π

Which of the following numbers is irrational?

• a) $\frac{1}{2}$

• b) $-12$

• c) $14.4$

• d) $\sqrt{2}$

On the graphing calculator, what button do you press to make any exponent other than 2?

• a) $\wedge$

• b) $Graph$

• c) $2^{nd}$

• d) $x^2$

On the graphing calculator, what button(s) do you press to write an equation?

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Which of the following number(s) are rational? (There can be more than one)

• $-16.8$

• $\sqrt{2}$
  

• $\frac{2}{5}$
  

• $0$
  

-4.4 is an integer

• True

• False

On the graphing calculator, what buttons do you press in order to make a fraction?

• $2^{nd},\ Graph$

• $Alpha,\ Window,\ Enter$

• $2^{nd},\ x^2$

• $Alpha,\ y=,\ enter$

On the graphing calculator, what button(s) do you press to see the table of values from an equation?

• $y=$

• $2^{nd},\ Graph$

• $Graph$

• $Alpha,\ Window,\ Enter$

Which number is irrational?

• $\sqrt{20}$

• $\sqrt{25}$

• $\sqrt{49}$

• $\sqrt{100}$

Which of the following shapes is a parabola?

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