Solve the following equations and inequalities for x. Check your solution(s), if possible a. frac{3}{x}=9 b. sqrt x=4 c. x^{2}=25 d. 2(x−3)>4

Question
Equations and inequalities
asked 2021-03-02
Solve the following equations and inequalities for x. Check your solution(s), if possible \(a. \frac{3}{x}=9\)
\(b. \sqrt x=4\)
\(c. x^{2}=25\)
\(d. 2(x−3)>4\)

Answers (1)

2021-03-03
\(a.x=\frac{1}{3}\)
\(b.x=16\)
\(c.x=5,x=-5\)
\(d.x>5\)
0

Relevant Questions

asked 2021-02-02
Solve the following equations and inequalities for x. Check your solution(s), if possible \(\displaystyle{a}.{\frac{{{3}}}{{{x}}}}={9}\)
\(\displaystyle{b}.\sqrt{{x}}={4}\)
\(\displaystyle{c}.{x}^{{{2}}}={25}\)
\(\displaystyle{d}.{2}{\left({x}−{3}\right)}{>}{4}\)
asked 2021-02-08
Solve the equations and inequalities below. Check your solution(s), if possible. \(a.300x-1500=2400\)
\(b.(3/2)^{x}=(5/6)^{x}+2\)
\(c.x^{2}-25\leq 0\)
\(d.|3x-2|>4\)
asked 2021-02-05
Solve the equations and inequalities below. Check your solution(s), if possible. \(\displaystyle{a}{.300}{x}-{1500}={2400}\)
\(\displaystyle{b}.{\left(\frac{{3}}{{2}}\right)}^{{{x}}}={\left(\frac{{5}}{{6}}\right)}^{{{x}}}+{2}\)
\(\displaystyle{c}.{x}^{{{2}}}-{25}\leq{0}\)
\(\displaystyle{d}.{\left|{3}{x}-{2}\right|}{>}{4}\)
asked 2020-11-22
Solve the equations and inequalities below, if possible. \(\displaystyle{a}.\sqrt{{{x}−{1}}}+{13}={13}\)
\(\displaystyle{b}.{6}{\left|{x}\right|}{>}{18}\)
\(\displaystyle{c}.{\left|{3}{x}-{2}\right|}\le{2}\)
\(\displaystyle{d}.{\frac{{{4}}}{{{5}}}}-{\frac{{{2}{x}}}{{{3}}}}={\frac{{{3}}}{{{10}}}}\)
\(\displaystyle{e}.{\left({4}{x}-{2}\right)}^{{{2}}}\le{100}\)
\(\displaystyle{f}.{\left({x}-{1}\right)}^{{{3}}}={8}\)
asked 2020-10-20
Solve the equations and inequalities below, if possible. Check your solutions. \(a.(4x−2)^{2}≤100\)
\(b.(x−1)^{2}=9\)
\(c. x^{2}+x−20<0\)
\(d.2x^{2}−6x=−5\)
asked 2021-02-03
Solve the equations and inequalities below, if possible. Check your solutions. \(\displaystyle{a}.{\left({4}{x}−{2}\right)}^{{{2}}}≤{100}\)
\(\displaystyle{b}.{\left({x}−{1}\right)}^{{{2}}}={9}\)
\(\displaystyle{c}.{x}^{{{2}}}+{x}−{20}{<}{0}\)
\(\displaystyle{d}{.2}{x}^{{{2}}}−{6}{x}=−{5}\)
asked 2021-03-11
Solve the equations and inequalities below. Write your solutions in exact form. \(a. \frac{3}{4}-\frac{x}{3}=\frac{7x}{4}\)
\(b. (b−4)2<12\)
\(c. ∣3+x∣−9\leq21\)
\(d. 5n^{2}−11n+2=0\)
asked 2020-11-09
Solve the equations and inequalities. Write the answers to the inequalities in interval notation if possible. (A) \(|7x+4| + 11 = 2\)
(B) \(|7x + 4| + 11 < 2\)
(C) \(|7x + 4| + 11 > 2\)
asked 2021-02-25
Solve the equations and inequalities. Write the answers to the inequalities in interval notation if possible. (A) \(\displaystyle{\left|{7}{x}+{4}\right|}+{11}={2}\)
(B) \(\displaystyle{\left|{7}{x}+{4}\right|}+{11}{<}{2}\)
(C) \(\displaystyle{\left|{7}{x}+{4}\right|}+{11}{>}{2}\)
asked 2020-10-25
Solve the equations and inequalities: \(\frac{2^{x}}{3} =\frac{5^{x}}{4}\)
...