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SECONDARY
ALGEBRA
ALGEBRA I
Secondary
Calculus and Analysis
Algebra
Algebra I
Sequences
Functions
Quadratic function and equation
Linear equations and graphs
Systems of equations
Exponential growth and decay
Irrational numbers
Piecewise-Defined Functions
Forms of linear equations
Exponents and radicals
Algebra foundations
Equations and inequalities
Polynomial graphs
Inequalities systems and graphs
Quadratics
Pre-Algebra
Algebra II
Geometry
Statistics and Probability
MATH WORD PROBLEM
Trigonometry
Post Secondary
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Algebra I Answers
Functions
asked 2021-03-18
Does
\(\displaystyle\sum−{1}^{{{n}}}{\ln{{2}}}{n}^{{{\frac{{{1}}}{{{n}}}}}}{)}\)
converge or diverge?
Equations and inequalities
asked 2021-03-18
Prove by contraposition that if x does not equal 5 and is irrational then
\(\displaystyle{3}\frac{{x}}{{x}}-{5}\)
is irrational.
Linear equations and graphs
asked 2021-03-18
Describe the relationship between the two quantities.
1 [Graph] 2 [Graph]
Equations and inequalities
asked 2021-03-18
The product of a number and seven is equal to two more than the number
Linear equations and graphs
asked 2021-03-18
What would be the linear equation for this function, & the graph?
\(\displaystyle{\left({X}_{{1}},{Y}_{{1}}\right)}={\left(-{3},{4}\right)},{m}=-{2}\)
Sequences
asked 2021-03-18
Determine whether the sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, calculate its common difference or ratio, respectively. 5, 9, 13, 17,
Piecewise-Defined Functions
asked 2021-03-18
Write each expression without using absolute value symbols.
\(|0|\)
Equations and inequalities
asked 2021-03-12
An infant receives 4 oz. of formula q.4h. How many quarts of formula has he taken in a four-day period?
Functions
asked 2021-03-12
if
\(\displaystyle{f{{\left({n}+{2}\right)}}}={2}{f{{\left({n}\right)}}}+{f{{\left({n}+{1}\right)}}}\)
and f(1)=1 and f(2)=1 , what is f(8)-f(7) ?
Quadratic function and equation
asked 2021-03-12
What is the degree of a quadratic function f? What is the standard form of a quadratic function? How do you put a quadratic function into standard form?
Irrational numbers
asked 2021-03-12
Find
a) a rational number and
b) a irrational number between the given pair.
\(\displaystyle{3}\frac{{1}}{{7}}\)
and
\(\displaystyle{3}\frac{{1}}{{6}}\)
Forms of linear equations
asked 2021-03-12
Determine whether the ordered pair is a solution to the given system of linear equations.
(5,3)
x-y=2
x+y=8
Forms of linear equations
asked 2021-03-12
Find the augmented matrix for the following system of linear equations:
5x+7y-36z=38
-8x-11y+57z=-60
Forms of linear equations
asked 2021-03-12
Why do you think we should learn about quadratic equations? how are they different from linear equations, and what is the significance of quadratic equation in the business world. Make sure you provide very specific examples to help us understand your explanation.
Exponents and radicals
asked 2021-03-11
in number 7, Is the exponent of (-1) n right? I thought that the exponent of (-1) is n-1 because it changed from n=0 to n=1, and if
\((-1)^{n}\)
, there will be a change of sign between negative sign and positive sign.
Equations and inequalities
asked 2021-03-11
Solve the equations and inequalities below. Write your solutions in exact form.
\(a. \frac{3}{4}-\frac{x}{3}=\frac{7x}{4}\)
\(b. (b−4)2<12\)
\(c. ∣3+x∣−9\leq21\)
\(d. 5n^{2}−11n+2=0\)
Forms of linear equations
asked 2021-03-11
part of $10,000 is invested at 11% simple interest account, the rest is at 14% simple interest account. If the annual income is $1,265, how much is invested at each rate? (solve the equations/ inequalities for x)
Exponential growth and decay
asked 2021-03-11
Tell whether the function represents exponential growth or exponential decay. Identify the growth or decay factor.
\(\displaystyle{y}={0.15}{\left(\frac{{3}}{{2}}\right)}^{{x}}\)
Exponential growth and decay
asked 2021-03-11
Identify each of the following functions as exponential growth or decay. Then give the rate of growth or decay as a percent.
\(\displaystyle{y}={a}{\left(\frac{{5}}{{4}}\right)}^{{t}}\)
Forms of linear equations
asked 2021-03-11
Determine if (1,3) is a solution to the given system of linear equations.
\(\displaystyle{5}{x}+{y}={8}\)
\(\displaystyle{x}+{2}{y}={5}\)
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