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SECONDARY
ALGEBRA
ALGEBRA I
All
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Unanswered
Algebra 1 questions and answers
Recent questions in Algebra I
David Young
2021-12-28
Answered
Identify the factor:
a)
\(\displaystyle{r}^{{{2}}}+{7}{r}+{10}\)
b)
\(\displaystyle{x}^{{{2}}}+{4}{x}+{3}\)
c)
\(\displaystyle{y}^{{{2}}}+{6}{y}+{8}\)
Juan Hewlett
2021-12-28
Answered
To determine: Factor
a)
\(\displaystyle{x}^{{{2}}}-{4}{x}+{3}\)
b)
\(\displaystyle{2}{y}^{{{2}}}-{5}{y}+{2}\)
c)
\(\displaystyle{6}{z}^{{{2}}}-{13}{z}+{6}\)
Oberlaudacu
2021-12-28
Answered
Find the LU-factorization of following matrix.
\[A=\begin{bmatrix}1 & 2&4 \\3 &8&14\\2&6&13 \end{bmatrix}\]
hadejada7x
2021-12-28
Answered
Suppose the rule of the function f is "add one" and the rule of the function g is "multiply by 4."
How can we express these functions algebraically?
\(\displaystyle{f{{\left({x}\right)}}}=\)
\(\displaystyle{g{{\left({x}\right)}}}=\)
\(\displaystyle{\left({f}∘{g}\right)}{\left({x}\right)}=\)
\(\displaystyle{\left({f}∘{g}\right)}{\left({x}\right)}=\)
Jason Yuhas
2021-12-28
Answered
Actinium-226 has a half-life of 29 hours. If 100 mg of actinium-226 disintegrates over a period of 58 hours, how many mg of actinium-226 will remain? Use
\(\displaystyle{A}{\left({t}\right)}={C}{e}^{{{k}{t}}}\)
.
Gregory Jones
2021-12-28
Answered
Given the sequence 6,2,
\(\displaystyle{\frac{{{2}}}{{{3}}}},{\frac{{{2}}}{{{9}}}},\ldots,{\frac{{{2}}}{{{6561}}}}\)
; How many terms are there?
ajedrezlaproa6j
2021-12-28
Answered
Find the zeros of the function algebraically.
\(\displaystyle{f{{\left({x}\right)}}}={2}{x}^{{{2}}}-{3}{x}-{54}\)
Sapewa
2021-12-27
Answered
\(\displaystyle{y}={\left({x}+{4}\right)}^{{{2}}}-{7}\)
a) Determine the x-intercepts of the quadratic equation in both approximate and exact form
b) Determine the vertex point.
c) Determine the y-intercept.
d) Graph the parabola.
Michael Maggard
2021-12-27
Answered
To solve:
\(\displaystyle{x}^{{{2}}}+{11}{x}+{24}={0}\)
diferira7c
2021-12-27
Answered
To solve:
\(\displaystyle{\frac{{{y}^{{{2}}}}}{{{30}}}}={\frac{{{y}}}{{{15}}}}+{\frac{{{1}}}{{{2}}}}\)
Lucille Davidson
2021-12-27
Answered
To solve:
\(\displaystyle{x}^{{{2}}}-{6}{x}={x}{\left({8}+{x}\right)}\)
Painevg
2021-12-27
Answered
To solve:
\(\displaystyle{10}{x}-{2}{\left({x}+{4}\right)}={8}{\left({x}-{2}\right)}+{6}\)
Pamela Meyer
2021-12-27
Answered
To solve:
\(\displaystyle{0.3}{x}+{24}={0.1}{x}+{4}\)
Kathleen Rausch
2021-12-27
Answered
To silve:
\(\displaystyle{x}{\left({x}-{3}\right)}={x}^{{{2}}}+{5}{x}+{7}\)
Annette Sabin
2021-12-27
Answered
Translate to an algebraic expression. Use x and y for any variables.
One less than a product of two numbers
petrusrexcs
2021-12-27
Answered
Multiply the algebraic expressions using the FOIL method, and simplify.
\(\displaystyle{\left({2}{t}+{3}\right)}{\left({t}-{1}\right)}\)
lugreget9
2021-12-27
Answered
How to graph
\(\displaystyle{y}=-{\frac{{{2}}}{{{3}}}}\)
tearstreakdl
2021-12-27
What is the rule for the sequence 3,5,8,13,21,...?
rheisf
2021-12-27
Answered
How do you expand
\(\displaystyle{\left({x}−{y}\right)}^{{3}}\)
?
nemired9
2021-12-27
Answered
Elena regularly takes a multivitamin and mineral supplement. She purchases a bottle of 250 tablets and takes two tablets every day.
(a) Find a formula for the number of tablets T that are left in the bottle after she has been taking the tablets for x days.
(b) How many tablets are left after 30 days?
(c) How many days will it take for her to run out of tablets?
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