which of the following is the conjugate of a complex number with 2 as the real part and -8i as the imaginary part
Answer:
slope = 1/2 and intercept = 6
Step-by-step explanation:
In this form, the slope is whatever number is before the x term (remember the sign) and the intercept is the value you get when you let x = 0.
So, slope = (1/2) <== the term in front of x
and the intercept is +6 (when you set x to 0, y = 6)
Answer:
for quadratic equation 1
y^2-10y+21=0
Step-by-step explanation:
y^2-7y-3y+21=0
y(y-7)-3(y-7)=0
(y-7)(y-3)=0
y-7=0,y-3=0
y=7,y=3
y=(3,7)
for quadratic equation 2
16p^2-8p+1=0
16p^2-4p-4p+1=0
4p(4p-1)-1(4p-1)=0
(4p-1)twice=0
4p-1=0,4p-1=0
4p=1
p=1/4 twice
for quadratic equation 3
x^2-400=0
x^2=400
x=√400
x=20
for quadratic equation 4
-16m^2-8m-1=0
multiply the equation by -
16m^2+8m+1=0
16m^2+4m+4m+1=0
4m(4m+1)1(4m+1)=0
4m+1=0 twice
m=-1/4 twice
for quadratic equation 5
-3n^2+75=0
divide both side by -3
-3n^2/-3=-75/-3
n^2=25
n=√25
n=5
Answer:
(-2, -8)
(-1, -1)
(1, 1)
(2, 8)
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