Mathematics, 29.10.2020 17:40, chickedy5490

Tara and Casey were comparing notes on perpendicular lines in Algebra class. Tara said that y =
x - 1 is perpendicular to y = -3x + 2.
Casey disagreed and said y =
x - 1 is perpendicular to y = -3x + 2.
Which person is correct and why?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:30, kutemigos9211

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Answers: 3

continue

Mathematics, 21.06.2019 18:30, mauralawson

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Answers: 1

continue

Mathematics, 21.06.2019 19:00, jimena15

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

Answers: 2

continue

Mathematics, 21.06.2019 19:30, ray2220

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Answers: 3

continue

Do you know the correct answer?

Tara and Casey were comparing notes on perpendicular lines in Algebra class. Tara said that y =