Point-slope and standard form

Move between y - y1 = m(x - x1), Ax + By = C, and slope-intercept form.

Standards:A-CED.A.2

Try it: three questions

Real questions from the practice bank. Tap an answer to check it.

Question 1 of 3

A gym charges a one-time enrollment fee of $25 plus $15 per month. If a member paid a total of $130 over time, how many months has the member been enrolled?

Question 2 of 3

A taxi charges $2.50 per mile plus a $4 initial fee. If a passenger's total fare was $24.50, how many miles did they travel?

Question 3 of 3

A phone plan charges $30 per month plus $0.15 per text message. If Maya's bill for one month is $37.50, how many text messages did she send?

How this fits in

Point-slope and standard form is one skill in the Linear Functions unit. Students read the unit lesson, then earn a bronze, silver, or gold medal on their last 10 answers. Medals never go down. A mastered unit comes back for review after 1, 3, 7, 16, and 35 days so it stays learned.

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