jaxkso
jaxkso
02-02-2017
Mathematics
contestada
Solving quadratics equations by taking square root
Respuesta :
Аноним
Аноним
02-02-2017
#6
x^2 = 1
x = - 1 and x = + 1
#7
a^2 + 1 = 19
a^2 =18
a^2 =√ 9
√ 2
a = + 3
√ 2 and a = - 3
√ 2
Answer Link
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
What numbers could replace each letter to make both of the number sentences true?
What does a 'dead' battery mean chemically? a) q > 1 b) q < 1 c) q = 1 d) q = k e) q/k = 0
Find the measure of the missing angle in this triangle
Wesley can use the equation y=3x to calculate how far he has walked, where y represents the number of miles walked, and x represents the number of hours walked.
What is BD? There is a quadrilateral ABCD in which side AB is congruent to side AD and side BC is congruent to side CD. The length of side BC is 10. The diagona
Which expressions are aquivalent to j + j + 2k ? Choose all answers that apply: A 2jk B 2(j+j+k0 C None of the above
a Laura and Martin obtain a 25-year, $90,000 conventional mortgage at 9.5% on a house selling for $120,000. Their monthly mortgage payment, including principal
Which of the following claims does the excerpt make about changes that occurred as a result of new interactions in the atlantic regionAnswer:B Europrans develop
Find the size of angle x.
3 more than 1/2 of a number is 10. What is the number (n)?