Ask question

# 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
$$a.x=\frac{1}{3}$$
$$b.x=16$$
$$c.x=5,x=-5$$
$$d.x>5$$

### 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: $$\frac{2^{x}}{3} =\frac{5^{x}}{4}$$
...