Multiple Choice
varies directly as . If when , find when .
A) 81
B) 49
C) 21
D) 9
Correct Answer:
Verified
Correct Answer:
Verified
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Q7: <span class="ql-formula" data-value="\frac{x^{2}-8 x}{x-3}+\frac{15}{x-3}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mrow><msup><mi>x</mi><mn>2</mn></msup><mo>−</mo><mn>8</mn><mi>x</mi></mrow><mrow><mi>x</mi><mo>−</mo><mn>3</mn></mrow></mfrac><mo>+</mo><mfrac><mn>15</mn><mrow><mi>x</mi><mo>−</mo><mn>3</mn></mrow></mfrac></mrow><annotation
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Q14: <span class="ql-formula" data-value="\frac{x}{x-9}+\frac{8}{x-9}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mi>x</mi><mrow><mi>x</mi><mo>−</mo><mn>9</mn></mrow></mfrac><mo>+</mo><mfrac><mn>8</mn><mrow><mi>x</mi><mo>−</mo><mn>9</mn></mrow></mfrac></mrow><annotation encoding="application/x-tex">\frac{x}{x-9}+\frac{8}{x-9}</annotation></semantics></math></span><span
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Q16: Find the missing numerator and denominator.<br>-