Given: \((a^n)(a^m)=100{,}000\) and \(\frac{a^n}{a^m}=10\) Find \(a\):
A\(12\)
B\(9\)
C\(11\)
D\(10\)
#62📜 ECE Board November 1991📘 1001 Math RojasEasy
Give the factors of \(a^2-x^2\).
A\(2a-2x\)
B\((a+x)(a-x)\)
C\((a+x)(a+x)\)
D\(2x-2a\)
#63📜 ME Board April 1996📘 1001 Math RojasEasy
Factor the expression \(x^2+6x+8\) as completely as possible.
A\((x+4)(x+2)\)
B\((x-4)(x+2)\)
C\((x-4)(x-2)\)
D\((x+6)(x+2)\)
#64📘 1001 Math RojasMedium
Find the value of \(k\) so that \(4x^2+6x+k\) is a perfect square.
A\(36\)
B\(2.5\)
C\(9\)
D\(2.25\)
#65📜 ME Board April 1995📘 1001 Math RojasEasy
Factor the expression \(3x^3-3x^2-18x\)
A\(3x(x-3)(x+2)\)
B\(3x(x+3)(x+2)\)
C\(3x(x+3)(x-2)\)
D\(3x(x-3)(x-2)\)
#66📘 1001 Math RojasMedium
If \(p-q=5\) and \(pq=\frac{k}{2}\), then \(p^2+q^2\) equals
A\(k\)
B\(25k\)
C\(25+k\)
D\(\frac{k}{25}\)
#67📜 ME Board April 1998📘 1001 Math RojasMedium
Find the value of \(x\) which will satisfy the following expression: \(\sqrt{x-2}=\sqrt{x}+2\)
A\(3/2\)
B\(9/4\)
C\(18/6\)
DNone of these
#68📘 1001 Math RojasMedium
Simplify \(\sqrt{\frac{ab}{\sqrt[3]{ab}}}\)
A\(\sqrt[3]{ab}\)
B\(\sqrt{ab}\)
C\(\frac{ab}{\sqrt{ab}}\)
D\(\frac{ab}{\sqrt[3]{ab}}\)
#69📜 ME Board April 1996📘 1001 Math RojasEasy
If \(x\) to the \(3/4\) power equals \(8\), \(x\) equals
A\(-9\)
B\(6\)
C\(9\)
D\(16\)
#70📘 1001 Math RojasHard
Solve for \(x\): \(\sqrt{x+2\sqrt{2x+3}}-3=0\)
A\(3\)
B\(23\)
C\(3\) and \(23\)
D\(20\)
#71📜 CE Board November 1991📘 1001 Math RojasHard
Solve for \(x\) from the given equation: \(\sqrt[4]{8\sqrt[3]{2\sqrt{8x}}}=2\)
A\(4\)
B\(2\)
C\(3\)
D\(5\)
#72📜 EE Board October 1997📘 1001 Math RojasEasy
If \(f(x)=2x^2+2x+4\), what is \(f(2)\)?
A\(4x+2\)
B\(16\)
C\(x^2+x+2\)
D\(8\)
#73📘 1001 Math RojasEasy
What is the least common multiple of \(15\) and \(18\)?
A\(3\)
B\(5\)
C\(90\)
D\(270\)
#74📜 ECE Board April 1998📘 1001 Math RojasEasy
What is the lowest common factor of \(10\) and \(32\)?
A\(320\)
B\(2\)
C\(180\)
D\(90\)
#75📘 1001 Math RojasEasy
The numbers \(12\) and \(16\) has the greatest common divisor of
A\(2\)
B\(4\)
C\(6\)
D\(192\)
#76📜 EE Board March 1998📘 1001 Math RojasEasy
The polynomial \(x^3+4x^2-3x+8\) is divided by \(x-5\) then the remainder is,
A\(175\)
B\(140\)
C\(218\)
D\(200\)
#77📘 1001 Math RojasMedium
Find the quotient of \(3x^5-4x^3+2x^2+36x+48\) divided by \(x^3-2x^2+6\).
A\(3x^2-4x-8\)
B\(3x^2+4x+8\)
C\(3x^2-6x-8\)
D\(3x^2+6x+8\)
#78📜 CE Board November 1997📘 1001 Math RojasMedium
Find the remainder if we divide \(4y^3+18y^2+8y-4\) by \((2y+3)\).
A\(10\)
B\(11\)
C\(15\)
D\(13\)
#79📜 ECE Board April 1999📘 1001 Math RojasMedium
Given: \(f(x)=(x+3)(x-4)+4\). When \(f(x)\) is divided by \((x-k)\), the remainder is \(k\). Find \(k\).
A\(2\)
B\(4\)
C\(6\)
D\(8\)
#80📘 1001 Math RojasHard
The expression \(x^4+ax^3+5x^2+bx+6\) when divided by \((x-2)\) leaves a remainder of \(16\) and when divided by \((x+1)\) leaves a remainder of \(10\). Find \(a\) and \(b\).