# math

posted by .

Let a be a positive number. If the product abc is negative, which statement must be true?

A. bc is greater than 0
B. bc uis less than 0
C. ac is greater than 0
D. ac is less than 0
E. ab is greater than 0

## Similar Questions

1. ### Math

If we multiply "a" and "b",when will: a. the product be larger than both "a" and "b"?
2. ### algebra3

which inequality is tge solution of 6x negative 3 greater than or = to 7 plus 4x?
3. ### math

State the null hypothesis, Ho, and the alternative hypothesis, Ha, that would be used to test the following statements. (a) The linear correlation coefficient is positive. Ho: ñ ---Select--- not equal to equal to greater than less …
4. ### SAT Math

1. If xy>1 and z<0, which of the following statements must be true?
5. ### SAT Math

I did these, but I got the wrong answers. Please explain how ... 1. If xy>1 and z<0, which of the following statements must be true?
6. ### Calculus

In the next questions, a particle is moving along a horizontal line according to the formula: s=2t^4-4t^3+2t^2-1 a) the particle is moving right when A. 0 is less than t is less than 1/2 B. t is greater than 0 C. t is greater than …
7. ### Calculus

A function f(x) is continuous for all x and has a local minimum at (1,8). Which must be true?
8. ### Calculus check

A function f(x) is continuous for all x and has a local minimum at (1,8). Which must be true?
9. ### math

An exponential function is written in standard form: y = x + c. Which statement is NOT true?
10. ### Geometry

1. The lengths of two sides of a triangle are 9 and 15. What's can be said about the length of the third side?

More Similar Questions