Exploring Algebra 1 Concepts from Week 30

How do you reset the calculator for the Algebra 1 Regents exam?

• Hold the power button for 5 seconds

• Press second, then the plus sign, followed by 7, 1, 2

• Press second, then the minus sign

• Press clear twice

What is the correct way to find the correlation coefficient for statistics questions?

• Type the data sets in L1 and L2, press stat, calc, and choose 'LinReg'

• Press math, then scroll to 'correlation', and press enter

• Press stat, enter the data, and choose 'correlation'

• Press second, then 0, scroll to 'diagnostic on', and press enter

What is the process to convert a decimal to a fraction on the calculator?

• Type the decimal and press the fraction button

• Type the decimal and press math, then enter twice

• Type the decimal and press second, then math

• Type the decimal and press alpha, then enter

How do you simplify a fraction on the calculator?

• Type the fraction and press math, then enter twice

• Type the fraction and press the simplify button

• Type the fraction and press second, then math

• Type the fraction and press alpha, then enter

How can you find the solution to an equation using the calculator?

• Type the left side of the equation, replace X with a choice, and press enter

• Type the entire equation and press alpha

• Type the equation and press solve

• Type the equation and press graph

What is the method to find the zeros of a function using the calculator?

• Type the function in Y=, press graph, and identify where it crosses the Y-axis

• Type the function in Y=, press graph, and identify where it crosses the X-axis

• Type the function in Y=, press table, and look for Y=0

• Type the function in Y=, press solve, and look for X values

How do you find the coordinates of a maximum point on a graph using the calculator?

• Press second, graph, and look for the highest point

• Type the equation, press solve, and choose 'maximum'

• Press graph, then press the maximum button

• Press second, trace, choose 'maximum', and follow the prompts

How do you perform univariate statistics analysis on the calculator?

• Press second, enter the data, and choose the univariate option

• Press stat, enter the data in L1, press stat again, and calculate

• Press alpha, enter the data, and press calculate

• Press math, enter the data, and choose the stats option

How can you check if an expression is equivalent to another using the calculator?

• Type both expressions in L1 and L2, press stat, and compare

• Type one expression, press solve, then type the other and compare

• Type one expression in Y1, the other in Y2, press table, and compare

• Type both expressions in Y=, graph them, and compare

What is the method to determine if a number is rational or irrational using the calculator?

• Type the number, press graph, and analyze the pattern

• Type the number, if it displays as a fraction, it's rational; if as a decimal, check if it's non-repeating

• Type the number, press math, and choose 'rationalize'

• Type the number, press enter, and if it's a decimal, it's irrational