mdan
Most popular questions and responses by mdan
maths
The Number Two Plumbing Co. charges $45 per hour plus a fixed service call charge of $65. Write an equation that will allow you to compute the total bill for any number of hours, x, that it takes to complete a job. A. C = 45x + 65 B. C = 65x + 45 C. 65x +
asked on October 12, 2013 
maths
Write the equation of the line passing through (0, –5) and (0, 1). A. x = 0 B. y = 0 C. y = x + 0 D. y = 6x My answer is B , am i correct
asked on October 12, 2013 
maths
SOLVE (x^2 – x)2 – 14(x^2 – x) + 24 = 0 A. 3, 1, 2, 4 B. 1, 3, 4, 2 C. 3, 1, 2, 4 D. 2, 3, 4, 1
asked on October 7, 2013 
maths
Write the system as a matrix equation and solve using inverses. x1 + 2x2  x3 = 3 2x1  x2 + 3x3 = 0 4x1 + 4x2  x3 = 12 A. x1 = 2, x2 = 3, x3 = 1 B. x1 = 1, x2 = 2, x3 = 1 C. x1 = 1, x2 = 2, x3 = 0 D. x1 = 1, x2 = 3, x3 = 1
asked on October 15, 2013 
maths2
Test the equation for symmetry with respect to the xaxis, the yaxis, and the origin. x2 + y2 + x2y2 = 4 A. Symmetric with respect to the xaxis B. Symmetric with respect to the yaxis C. Symmetric with respect to the origin D. Symmetric with respect to
asked on October 12, 2013 
maths2
Use the discriminant to determine the number of real roots the equation has. 7x2 + 3x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots)
asked on October 7, 2013 
maths2
10x  1 = x  10 A. 1, 1 B. 1 C. 1 D. No solution
asked on October 6, 2013 
maths
Solve the system. 3x2  2y2 = 5 x2 + y2 = 25 A. (3, 4), (3, 4), (3, 4), (3, 4) B. (4, 4), (5, 4), (3, 4), (1, –4) C. (3, 4), (1, 4), (3, 4), (2, 4) D. (1, 4), (2, –4), (–4, 3), (–3, –3) Find the coordinates of the corner points using
asked on October 15, 2013 
mathematics
Use the discriminant to determine the number of real roots the equation has. 3x2 – 5x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots)
asked on October 7, 2013

maths
fabulous
posted on October 15, 2013 
maths
this one seems difficult...plz help
posted on October 15, 2013 
maths
thank you
posted on October 15, 2013 
maths
i choose 1. b 2. C
posted on October 15, 2013 
maths2
any help????????????
posted on October 12, 2013 
maths2
any help plz
posted on October 12, 2013 
maths2
I choices are : 1. c 2. c 3. d
posted on October 12, 2013 
maths
ok thanks
posted on October 12, 2013 
maths
thanks much Steve and Kelsi
posted on October 12, 2013 
maths
help plz
posted on October 12, 2013 
maths2
thank u
posted on October 7, 2013