math algebra I Quiz

question	answer
Find x. x+2=7
Tell 2 possible answers of x. x squared +3x+2
When completly factored, 3x squared minus 48 is
Which matrix is equivalent to 3 times[6, -3, -9]
What does m=. 5(m-5) = 3(m+1)
What is the slope of a line thats coordinates are (2,15) (0,-1)
What is the solution to 3(x - 5) > 12
What is 7 cubed
What is the range of the function f(x) = (1/2)x + 5 when the domain is {2, 4, 6}
What is the slope of the line represented by the following equation? y=2x-1

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math algebra I Quiz

by anaghbhave

Created Aug 18, 2010 in Miscellaneous
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	WyvernSabres:	Aug 31st, 2010 at 21:06 GMT	2 points
	You presumably mean x^2 + 3x + 2 = 0 [otherwise there's no question, x could be anything]. In which case the answers are x = -1, -2.

	Amy82986:	Apr 20th, 2012 at 21:44 GMT	1 point
	This is badly written. "x squared +3x+2" is an expression; to solve for x, you need to set it equal to something. You need to expand the range of acceptable answers in almost all of them. "m = 14" should accept simply 14. "m = 8" should accept simply 8. You aren't even consistent -- in the other problem where you asked for a slope, you accept simply 2. This confuses players because they think, "Well, clearly you can just type the number, so my answer must be wrong." In the "x squared +3x+2" question, answers like "-1, -2" should be accepted. The challenge of tests like this is supposed to be finding the right answer, not figuring out exactly how you wrote it when you created the test. 1/5.