Write a CR for the solved problem. A example of one is attached as well. The problem about the ROCK is the example CR. The problem you ARE writing a CR for is 5x^2-8x=3. Instructions below. For the CR's, claim you should answer the question of , do you get 2 real solutions, 1 real solution, or 2 complex solutions? For your reasoning you should explain how you know. Use the example attached to help you answer. hints: that plus minus sign means there are two answers. If the number under the square root is positive, you have two real solutions. If the number is negative you have two complex solutions. If the number is 0 under the square root you have 1 real number solution. 5xA2-8x=3-3 -35xA2-8x-3=0x= -(8) ± √(-8)^2-4(5)(-3)2(5)x=8+64+6010x=8+ √124x= 8+2√ 31X=104+315So, two realsolutions areX= {4+31 4- 31}5 Austin throws a rock in the air. The height, h, in feet above the ground Isby h = -16t² + 123t+ 40. How long is the rock in the air?Claim: The rock will be in the air for 8 seconds at an initial velocity of 123 ft/sec and aninitial height of 40 feet.Reasoning: The equation will be equal to 0 since the height is 0 ft when the rock is on theground. I solved the equation using the quadratic formula by plugging in a, b and c. Theradicand was a perfect square that I was able to take the square root of. I got 2 answers butonly one is reasonable for time since time can't be negative.is given

The Given equation is, 5x2-8x=3 Find out: We need to write CR (Claim and reasoning) for the given…

Answered: Write a CR for the solved problem. A…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Write a CR for the solved problem. A example of one is attached as well. The problem about the ROCK is the example CR. The problem you ARE writing a CR for is 5x^2-8x=3. Instructions below.

For the CR's, claim you should answer the question of , do you get 2 real solutions, 1 real solution, or 2 complex solutions? For your reasoning you should explain how you know. Use the example attached to help you answer.

hints: that plus minus sign means there are two answers. If the number under the square root is positive, you have two real solutions. If the number is negative you have two complex solutions. If the number is 0 under the square root you have 1 real number solution.

5xA2-8x=3
-3 -3
5xA2-8x-3=0
x= -(8) ± √(-8)^2-4(5)(-3)
2(5)
x=8+64+60
10
x=8+ √124
x= 8+2√ 31
X=
10
4+31
5
So, two real
solutions are
X= {4+31 4- 31}
5

Austin throws a rock in the air. The height, h, in feet above the ground Is
by h = -16t² + 123t+ 40. How long is the rock in the air?
Claim: The rock will be in the air for 8 seconds at an initial velocity of 123 ft/sec and an
initial height of 40 feet.
Reasoning: The equation will be equal to 0 since the height is 0 ft when the rock is on the
ground. I solved the equation using the quadratic formula by plugging in a, b and c. The
radicand was a perfect square that I was able to take the square root of. I got 2 answers but
only one is reasonable for time since time can't be negative.
is given

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