Math Practice Questions - Page 670

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• lets find $\frac{1}{2}+\frac{2}{5}$. first write the addition with a common denominator. then add. $...

• solve $x^{2}+8x = 33$ by completing the square. which is the solution set of the equation?\n{-11, 3}...

• what is $6^{\frac{2}{3}}$ in radical form?\n$sqrt3{6^{2}}$\n$sqrt2{6^{3}}$\n$sqrt2{6cdot3}$\ndone

• combine these radicals.\n$sqrt{27}-sqrt{3}$\n$sqrt{24}$\n$2sqrt{3}$\n$-2sqrt{3}$\n$-3sqrt{2}$

• evaluate $\frac{j}{k}-0.2k$ when $j = 25$ and $k = 5$.

• evaluate $13 - 0.75w + 8x$ when $w = 12$ and $x=\frac{1}{2}$.

• which equation is quadratic in form?\n3x^5 + 8x^3 + 6 = 0\n6x^4 + 7x^2 - 3 = 0\n5x^6 + x^4 + 12 = 0\...

• which geometric series converges?\n$\frac{1}{81}+\frac{1}{27}+\frac{1}{9}+\frac{1}{3}+cdots$\n$1+\fr...

• evaluate. write your answer as a fraction or whole number without exponents. 4^{-1} =

• approximate: $log_{5}\frac{4}{7}$\n-2.8760\n-0.3477\n0.7124\n1.3738\ndone

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