rassieremily
rassieremily rassieremily
  • 01-05-2018
  • Mathematics
contestada

Solve x2 − 7x + 12 = 0.


a. x = −3, x = −4
b .x = 3, x = 4
c. x = 2, x = 6
d. x = −2, x = −6

Respuesta :

jimthompson5910 jimthompson5910
  • 01-05-2018
Factor and use the zero product property. To factor, find two numbers that multiply to +12 and add to -7. These two numbers are -4 and -3

So,
x^2 - 7x + 12 = 0
(x-4)(x-3) = 0
x-4 = 0 or x-3 = 0
x = 4 or x = 3

Answer is choice B
Answer Link
Dyamond1224
Dyamond1224 Dyamond1224
  • 01-05-2018
B. X=3, x=4. have a nice day
Answer Link

Otras preguntas

What distance will a truck travel in 3 hours at an average speed of 50 miles per hour?
acceleration of gravity on jupiter
Equation: y=15x+60 Statement of the effects on the parent function of the given "m" and "b" as well as the different terms used to describe "m" and "b"
the oscillations producing a light wave are
Which of the following words best describes Africa? A. Country B. Continent C. Desert D. River
Is there a prime number that ends in zero?
which statement explains the periodic table and how is arranged. A. the periodic table is arranged by decreasing atomic mass. B. the periodic table is arranged
Which elements are represented by the symbols S and Na?
how do you simplify 42/63
Evaluate each expression. 1. 56/b for b=7 2. v+16 for v=9 3.2(4e) for e=5