Tuesday
October 21, 2014

Homework Help: algebra

Posted by Carmen on Saturday, October 4, 2008 at 7:28pm.

Q: when graphing the equation y = 4/3x + 2, the y intercept is?
A: (0,2)


Q: Determine whether - 3.5 is a solution of the inequality.
x greater than or equal to 6
A: No


Q:identify the y intercept of y = x + 8

A: (0,8)



Q:solve using multiplication principle then graph
- 15x > - 75

A: {x | x > 5}
when graphing the circle is open on the 5 and goes to the right



Q: solve using the addition and multiplication principles
2 + 8x < 10
{x | x ? ?}

A: {x | x < 1}



Q: find the slope, if it exists, of
(- 2,3) and (4, - 4)

m = ?

A: m = - 7/6




Q: solve using the addition principle

2x + 6 > x + 16
the solution set is {x | x > ?}

A: {x | x > 10}




Q: find the slope
y= - 3x + 7

M = ?

A: m = - 3




Q: find the slope

x + 9y = 18

m = ?

A: m = - 1/9






Q: find the slope

(- 3,4), (2,1)
m = ?

A: m = - 3/5






Q: solve using the multiplication principle
- 6x < - 18
the solution set is {x | x ? ?}

A: {x | x < 3}





Q: solve
y - 3 > - 13
the solution is {x | x > ?}

A: {x | x > - 10}






Q: identify the y intercept

y = 1/3x

A: the y intercept is (0,0)




Q: you are taking a science course in which there will be four tests, each worth 100 points. you have scores of 89, 97, and 95 on the first 3 teests. you must make a total of 360 in order to make an A. what scores on the last test will give you an A?

A: solution is {s | s > or = to 79}





Q: solve using addition and multiplication principles.

8 - 6x > 4 - 5x

the solution set is {x | x ? ?}

A: {x | x < 4}





Q: from a base elevation of 7900 ft, a mountain peak in colorado rises to a summit elevation of 14827 ft over a horizontal distance of 15838 ft. find the grade of the peak.

A: 44%

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