Identify the type of curve that each equation represents by evaluating B2 - 4AC. x2 - 6xy + y2 - 9y = 0
A. Parabola
B. Hyperbola
C. Ellipse
Answer: B
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Write the number in scientific notation.0.000529
A. 5.29 × 10-5 B. 5.29 × 104 C. 5.29 × 10-4 D. 5.29 × 10-3
Translate into an equation. Do not solve the equation.Seven plus what number equals fourteen?
A. 7 + x = 14 B. 7x = 14 C. 7 = x + 14 D. 7 + 14 = x
Provide an appropriate response.Ellen's health plan has a $10.00 copayment for complete pregnancy care. Let x represent the number of prenatal visits and y represent her cost for the pregnancy. Write an equation which represents the relationship between her cost for the pregnancy and her number of prenatal visits; describe the graph of this equation, and identify the intercepts.
What will be an ideal response?
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log2(4x)
A. 2x B. 4 + log2x C. 2 + log2x D. 2log2x