Ask Question
MathematicsMathematics
3 April, 01:30

What is the value of 3ab+5b-6 when a=-1 and b=3?

A. 0

B. 6

C. 18

D. 24

+5
Answers (2)
  1. 3 April, 01:46
    0
    use the substitution method

    3ab+5b-6

    3 (-1) (3) + 5 (3) - 6

    Mutiply 3 (-1) (3) first

    3 (-1) (3) = - 3*3 = - 9

    -9+5 (3) - 6

    then mutiply

    5 (3) = 15

    -9+15-6

    = 6-6

    = 0

    Answer : A. 0
  2. 3 April, 01:53
    0
    A. 0

    Step-by-step explanation:

    3ab+5b-6

    = 3 (-1) (3) + 5 (3) - 6

    =3 (-3) + 15-6

    =-9+9

    =0 (you have to subtract because they don't have the same signs)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “What is the value of 3ab+5b-6 when a=-1 and b=3? A. 0 B. 6 C. 18 D. 24 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Expand the following: a. x (x+5) b. x (3x-1) c. 2x (2x+3) d. 5x (x-3y)
Answers (1)
A factory buys the boxes it needs in the form of the flat nets. What advantages might the factory have?
Answers (1)
How much heavier is a 9 1/8 pound box than a 2 5/6 pound box
Answers (1)
Give the values of a, b, and c needed to write the equation's standard form. 1/4x^2+5=0
Answers (1)
K to the power of 2-2k-24
Answers (2)
New Questions in Mathematics
Solve 25 = 5^x - 4 A. 1/2 B. 2 C. 4 D. 6
Answers (2)
Adam is 2 years old. His sister lina is 1 year less than 3 times his age. write a numerical expression for linas age
Answers (1)
If Angle 8 is congruent to angle 10 and Angle 1 is congruent to angle 7, which describes all the lines that must be parallel?
Answers (1)
If one angle of a trapezoid is a right angle, the greatest number of additional angles a trapezoid might have is Select one: a. 3 b. 1 c. 2
Answers (1)
Where a graph touches the y-axis
Answers (1)
Home » Mathematics » What is the value of 3ab+5b-6 when a=-1 and b=3? A. 0 B. 6 C. 18 D. 24
Sign Up Forgot Password?