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Recent questions tagged roots


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Solve the equation: \(5(2-3x)+3(5x-2)-7(4-x)=0\)
1 answer 3 views
Solve the equation: \(5(2-3x)+3(5x-2)-7(4-x)=0\)Solve the equation: \(5(2-3x)+3(5x-2)-7(4-x)=0\) ...
by MathsGee Platinum
(104,076 points)
asked in Mathematics Jan 13
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Solve the proportion \(\dfrac{5}{3}=\dfrac{x}{6}\) for the unknown value \(x\).
1 answer 14 views
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Prove that, for all values of \(x\), \[ x^{2}+4 x+12>x+3 \]
1 answer 27 views
Prove that, for all values of \(x\), \[ x^{2}+4 x+12>x+3 \]Prove that, for all values of \(x\), \ x^{2}+4 x+12>x+3 \ ...
by MathsGee Platinum
(104,076 points)
asked in Mathematics Nov 9, 2021
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Show that \(x^{2}-6 x+11>0\) for all real values of \(x\).
1 answer 33 views
Show that \(x^{2}-6 x+11>0\) for all real values of \(x\).Show that \(x^{2}-6 x+11>0\) for all real values of \(x\). ...
by MathsGee Platinum
(104,076 points)
asked in Mathematics Nov 9, 2021
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If \(x^{2}-k x+9=0\) has equal roots, find the values of \(k\).
1 answer 54 views
If \(x^{2}-k x+9=0\) has equal roots, find the values of \(k\).If \(x^{2}-k x+9=0\) has equal roots, find the values of \(k\). A. 3,4 B. \(\pm 3\) C. \(\pm 5\) D. \(\pm 6\) ...
by Siyavula Bronze Status
(7,026 points)
asked in Mathematics Sep 11, 2021
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What is the prime factorization of 136?
1 answer 39 views
What is the prime factorization of 136?What is the prime factorization of 136? ...
by MathsGee Platinum
(104,076 points)
asked in Mathematics Sep 10, 2021
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How would you solve the equation \(\dfrac{(v+2)^{2}-6}{3}=1\) ?
1 answer 38 views
How would you solve the equation \(\dfrac{(v+2)^{2}-6}{3}=1\) ?How would you solve the equation \(\dfrac{(v+2)^{2}-6}{3}=1\) ? ...
by MathsGee Platinum
(104,076 points)
asked in Mathematics Sep 10, 2021
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How do you multiply two matrices?
1 answer 29 views
How do you multiply two matrices?How do you multiply two matrices? ...
by Siyavula Bronze Status
(7,026 points)
asked in Mathematics Sep 6, 2021
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How will I prove that the roots of $m(x^2-1)=5x$ are real for all real values of $m, (m\neq0)$?
1 answer 44 views
How will I prove that the roots of $m(x^2-1)=5x$ are real for all real values of $m, (m\neq0)$?This question is from the gr.11 CAPS syllabus under the section Nature of the Roots. The question in Latex (using the provided tools): How will I pr ...
by Rouche
asked in Mathematics Aug 31, 2021
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Solve for $x$ in $\frac{x}{6}=\frac{3 x}{4}$
1 answer 38 views
Solve for $x$ in $\frac{x}{6}=\frac{3 x}{4}$Solve for $x$ in $\frac{x}{6}=\frac{3 x}{4}$ ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Aug 12, 2021
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Solve for $x$ in the equation $\dfrac{x+3}{6}=\dfrac{2}{3}$
2 answers 78 views
Solve for $x$ in the equation $\dfrac{x+3}{6}=\dfrac{2}{3}$Solve for $x$ in the equation $\dfrac{x+3}{6}=\dfrac{2}{3}$ ...
by MathsGee Platinum
(104,076 points)
asked in Mathematics Jul 1, 2021
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Solve $\dfrac{d y}{d x}=(y+x)^{2}$
0 answers 38 views
Solve $\dfrac{d y}{d x}=(y+x)^{2}$Solve $\dfrac{d y}{d x}=(y+x)^{2}$ ...
by MathsGee Platinum
(104,076 points)
asked in Mathematics Jun 26, 2021
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Solve \(\dfrac{4 y}{1.025^{4}}+y-2 y(1.05)^{2}=\$ 1,500\)
1 answer 105 views
Solve \(\dfrac{4 y}{1.025^{4}}+y-2 y(1.05)^{2}=\$ 1,500\)Solve \(\dfrac{4 y}{1.025^{4}}+y-2 y(1.05)^{2}=\$ 1,500\) ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Jun 17, 2021
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Solve for $b$ in $\dfrac{5}{8} b+\dfrac{2}{5}=\dfrac{17}{20}-\dfrac{b}{4}$
1 answer 59 views
Solve for $b$ in $\dfrac{5}{8} b+\dfrac{2}{5}=\dfrac{17}{20}-\dfrac{b}{4}$Solve for $b$ in $\dfrac{5}{8} b+\dfrac{2}{5}=\dfrac{17}{20}-\dfrac{b}{4}$ ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Jun 17, 2021
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If ${ }^{n} P_{r}:{ }^{n} C_{r}=126$ then find $n$ and $r$.
0 answers 42 views
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How many solutions does the equation $\| 2 x-3|-m|=m$ have if $m>0 ?$
0 answers 96 views
How many solutions does the equation $\| 2 x-3|-m|=m$ have if $m>0 ?$How many solutions does the equation $\| 2 x-3|-m|=m$ have if $m>0 ?$ ...
by MathsGee Platinum
(104,076 points)
asked in Mathematics Jun 16, 2021
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Solve for $x$ in the equation $\sqrt{2-7 x}+2 x=0$
1 answer 71 views
Solve for $x$ in the equation $\sqrt{2-7 x}+2 x=0$Solve for $x$ in the equation $\sqrt{2-7 x}+2 x=0$ ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Jun 14, 2021
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Solve for $x$ - $\sqrt{x-1}+3=0$
1 answer 44 views
Solve for $x$ - $\sqrt{x-1}+3=0$Solve for $x$ in $\sqrt{x-1}+3=0$ ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Jun 14, 2021
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Solve for $x$ in $\sqrt{x-1}-3=0$
1 answer 30 views
Solve for $x$ in $\sqrt{x-1}-3=0$Solve for $x$ in $\sqrt{x-1}-3=0$ ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Jun 14, 2021
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What is the relationship between $a$ and $\sqrt{a}$?
1 answer 46 views
What is the relationship between $a$ and $\sqrt{a}$?What is the relationship between $a$ and $\sqrt{a}$? ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Jun 14, 2021
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Solve for $x$: $9^{x}+3^{2 x+1}=4 \sqrt{3}$
1 answer 35 views
Solve for $x$: $9^{x}+3^{2 x+1}=4 \sqrt{3}$Solve for $x$: $9^{x}+3^{2 x+1}=4 \sqrt{3}$ ...
by Student SIlver Status
(10,394 points)
asked in Mathematics Jun 14, 2021
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Solve for $x$: $16^{x} \cdot 2^{x+1}=\sqrt[5]{4}$
1 answer 35 views
Solve for $x$: $16^{x} \cdot 2^{x+1}=\sqrt[5]{4}$Solve for $x$: $16^{x} \cdot 2^{x+1}=\sqrt{4}$ ...
by Student SIlver Status
(10,394 points)
asked in Mathematics Jun 14, 2021
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Simplify $8^{\frac{2}{3}}$ without using a calculator.
1 answer 49 views
Simplify $8^{\frac{2}{3}}$ without using a calculator.Simplify $8^{\frac{2}{3}}$  without using a calculator. ...
by Student SIlver Status
(10,394 points)
asked in Mathematics Jun 14, 2021
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How many real solutions does the equation $x^{7}+14 x^{5}+16 x^{3}+30 x-560=0$ have?
1 answer 67 views
How many real solutions does the equation $x^{7}+14 x^{5}+16 x^{3}+30 x-560=0$ have?How many real solutions does the equation $x^{7}+14 x^{5}+16 x^{3}+30 x-560=0$ have? 1) 7 2) 1 3) 3 4) 5 ...
by Student SIlver Status
(10,394 points)
asked in Mathematics Jun 12, 2021
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The number of real solutions of the equation $x^{2}-3|x|+2=0$ is
1 answer 62 views
The number of real solutions of the equation $x^{2}-3|x|+2=0$ isThe number of real solutions of the equation $x^{2}-3|x|+2=0$ is 1) 2 2) 4 3) 1 4) 3 ...
by MathsGee Platinum
(104,076 points)
asked in Mathematics Jun 9, 2021
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