Answers HVS FL-1200315-Algebra 1 Sem 1 CR v23Literal Equations

Literal Equations Answers

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The slope-intercept form of a linear equation is y = mx + b, where x and y are coordinates of an ordered pair, m is the slope of the line, and b is where the line crosses the y-axis.

m = yx + b

m =

m = – b

m = y –

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Which are equivalent equations? Select two correct answers.

s =

s =

s = LAr

r =

r = LAs

In physics class, Carrie learns that a force, F, is equal to the mass of an object, m, times its acceleration, a. She writes the equation F=ma.Using this formula, what is the acceleration of an object with F=7.92 newtons and m=3.6 kilograms? Express your answer to the nearest tenth.Note: The unit for Force (the Newton) is measured in .

Option

The slope, m, of a linear equation can be found using the formula m = , where the x- and y-values come from two ordered pairs, and (x1, y1) and (x2, y2).

y2 = mx2 – x1 + y1

y2 = mx2 – x1 – y1

y2 = m(x2 – x1) + y1

y2 = m(x2 – x1) – y1

Which are equivalent equations? Select two correct answers.

d1 = 2Ad2

d1 =

d2 =

d2 = 2Ad1

Marta is solving the equation S = 2πrh + 2πr2 for h. Which should be the result?

– r = h

= h

S – = h

The equation f = v + at represents the final velocity of an object, f, with an initial velocity, v, and an acceleration rate, a, over time, t.

t =

t = a(f – v)

t = v(f – a)

The goals against average (A) for a professional hockey goalie is determined using the formula A = 60 . In the formula, g represents the number of goals scored against the goalie and t represents the time played, in minutes.