jaxkso
jaxkso
02-02-2017
Mathematics
contestada
Solving quadratics equations by taking square root
Respuesta :
mohsan573
mohsan573
02-02-2017
x^2=1 when you apply square root then the value of X is
X=-1,1
2---
a^2+1=19
subtract 1 on both side
a^2=19-1
a^2=18
taking square on both side
a=Square root(18)
the answer is shown in diagram
Answer Link
VER TODAS LAS RESPUESTAS ( 67+ )
Otras preguntas
If y^8= 4 and y^7=3/x, what is the value of y in terms of x?
When y = x^2, which of the following expressions is equivalent to –y ?
Which cells undergo cell division? a. prokaryotic cells only b. eukaryotic cells only c. cancer cells only d. both prokaryotic and eukaryotic cells
How do you say little sister, little brother, older sister, and older brother in Korean? I hope someone who actually know Korean can answer this question.
how do you figure out what is 1/4 of 10.
In the formula e = hf, if e is doubled and f is halved, what happens to the value of h?
A midwestern music competition awarded 35 ribbons. The number of blue ribbons awarded was 3 less than the number of white ribbons. the number of red ribbons was
A block of mass 3 kg slides down a frictionless inclined plane of length 6 m and height 4 m. If the block is released from rest at the top of the incline, what
If y^8= 4 and y^7=3/x, what is the value of y in terms of x?
When y = x^2, which of the following expressions is equivalent to –y ?
