Thursday, Feb 1 The equation shows the relationship between x and y: y = −9x + 5
What is the intercept and slope of the equation? Recall the general equation form as y=mx+b
The slope of the equation is -9 and the y-intercept is 5.
Tuesday, Jan 30 Sophie has $500 in her checking account. She pays her landlord $85 per week for rent.
What equation describes this situation? Start thinking from the general equation from y=mx+b
The equation that describes this situation is:
y = -85x + 500
where:
- y represents the amount of money left in Sophie's checking account
- x represents the number of weeks passed
- -85 is the rate at which Sophie pays her landlord per week for rent
- 500 is the initial amount of money Sophie has in her checking account