solving equations using the gdc. “we can” solve linear equations using the gdc

Solving equations using the GDC

“WE CAN” solve linear equations using the GDC.

Bell ringer

Use graphing calculator to solve linear equations:

A) - y = - y

B) 4 (x – 2)= 4x

Objective

Students will use graphing calculator to solve system of equations with 90% accuracy.

“WE CAN” determine the number of solutions to a pair of equations

to graph a constant (number only) enter y=??y=c

“WE CAN” solve pairs of linear equations using the GDC

Bell ringer

Use GDC to solve systems of equations

(A)2y = -4x + 2 2y = x-16

(B) 2y = -6x +2 -4 = y + 3x

“WE CAN” solve pairs of linear equations using the GDC

“WE CAN” solve pairs of linear equations using the GDC

Word problem

Your family is planning 7 days trip. You estimate it will cost $275 per day in Tampa and $400 per day in Orlando.Your total budget for 7 days is $2300. How many days should you stay in each city?

“WE CAN” solve pairs of linear equations using the GDC

Objective

Students will solve quadratic equations using graphing calculator.

“WE CAN” solve quadratic equations using the GDC.

Factoring

2x

4x² - 8x + 16= 4( ? – 2x + ?)

5x² + 25 = ? ( ? + 5)

2x²- 10x = 2x( ? - ?)

“WE CAN” solve quadratic equations using the GDC.

“WE CAN” solve quadratic equations using the GDC.

“WE CAN” solve quadratic equations using the GDC.