Nere8zfTon5duaroykay Nere8zfTon5duaroykay
  • 13-03-2017
  • Mathematics
contestada

Which values for a and b make the statement (a + 2)(b - 9) = 0 true?

a = 2, b = -9

a = -2, b = 9

a = -2, b = -9

a = 2, y = 9

Respuesta :

rarrininger
rarrininger rarrininger
  • 14-03-2017
(a + 2)(b - 9) = 0

a + 2 =0    b - 9 = 0
   -2 = -2       +9 = +9
a = -2       b = 9

So the second option

 
Answer Link

Otras preguntas

A wave has a period of 4 seconds. What is its frequency?
Explain the difference between tax and non-tax revenue. Use the reading to provide evidence.
Circle Q has a circumference of approzimately 50 centimeters. What is the approximate of, d?
Accounting subject , please help me​
Lin ran 2 3/4 miles in 2/5 of an hour, Noah ran 8 2/3 miles in 4/3 of an hour, how far would Lin run in 1 hour?
What elements are present/produced in a black hole?
Read the paragraph. Glenway Park should be saved for future generations to enjoy. This area has been a favorite spot for generations of picnickers and stargazer
Solve for 2. 4x - 4 < 8 AND 9x +5 > 23
the 3 generally accepted parts of modern cell theory include:​
Which integer represents a 5-yard lossA (5) B.(-5) c. 5 D-5​