Q.3 (a) for the following quadratic equation, determine (i) which way parabola open (ii) the coordinates of vertex (iii) the roots of the function P = 90x – 200 – x²

Intermediate Algebra
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ISBN:9780998625720
Author:Lynn Marecek
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Chapter9: Quadratic Equations And Functions
Section9.6: Graph Quadratic Functions Using Properties
Problem 9.104TI: A path of a toy rocket thrown upward from the ground at a rate of 208 ft/sec is modeled by the...
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Q.3 (a) for the following quadratic equation, determine (i) which way
parabola open (ii) the coordinates of vertex (iii) the roots of the function P
90х- 200- х?
Q.3 (b) If the company has total costs C(x) = 15,000 + 35x + 0.1x? and
total revenue function given by R(x) = 385x – 0.9x?, find the break-even
points.
Q.4 Solve using Cramer's rule and inverse matrix method for the
following equations
Зх + 3у-1 3 0
-x + 4y +10 = 0
Transcribed Image Text:Q.3 (a) for the following quadratic equation, determine (i) which way parabola open (ii) the coordinates of vertex (iii) the roots of the function P 90х- 200- х? Q.3 (b) If the company has total costs C(x) = 15,000 + 35x + 0.1x? and total revenue function given by R(x) = 385x – 0.9x?, find the break-even points. Q.4 Solve using Cramer's rule and inverse matrix method for the following equations Зх + 3у-1 3 0 -x + 4y +10 = 0
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