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Mathematics, 06.06.2020 06:57 youngsiron
ANYONE PLEASE HELP! (MARKS BRAINLIEST FOR HELPIING)
1) In the quadratic equation, k represents a real number.
3x^2+2kx+2=0
Which value of k gives imaginary solutions to the equation? Select all the values that apply.
A. ββ5
B. ββ3
C. ββ1
D. 2
E. 3
F. 4
2) 1/2 x+12=8+4(βx+1)
Which could be a correct first step to solve the equation? Select all the steps that apply.
A. Distribute 4 to the quantity (βx+1).
B. Add ββ8 to each side of the equation.
C. Distribute 12 to the quantity (βx+1).
D. Multiply each side of the equation by 2.
E. Subtract 12 from each side of the equation.
F. Add together the 8 and the 4 on the right side of the equation.
G. Multiply the left side of the equation by 2 to eliminate the fraction.
3) In the equation of f(x) shown, r and s are positive real numbers.
f(x)=x^2β2(rβs)x+(rβs)^2+(r+s)
Select the options from the drop-down menus to correctly rewrite f(x).
FILL IN: f(x)= ( )2
4) A cityβs population, P, changes according to the function P(βxβ)=50,000 (β0.95β)^x. where x represents the number of years after the year 2000.
Select the options from the drop-down menus to complete an accurate description of the population.
The population of the city in the year 2000 was(...β¦β¦..) . The population is () by ()each year.
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ANYONE PLEASE HELP! (MARKS BRAINLIEST FOR HELPIING)
1) In the quadratic equation, k represents a re...
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