Solve the system of equations by the substitution method. x - 7y = -645x - 8y = -77
A. {(1, 10)}
B. {(-1, 9)}
C. {(-2, 10)}
D. ?
Answer: B
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Determine whether the function is a one-to-one function.
A. Yes B. No
Use the circle graph to answer the question.
These states had a total wheat production last year of 757,000,000 bushels. Determine the number of bushels of wheat produced by Washington last year.
A. 11,355,000 bushels B. 1,135,500,000 bushels C. 147,615,000 bushels D. 113,550,000 bushels
Solve the problem.Find the area of a circle with diameter 11 cm. Use ? ? 3.14.
A. 69.08 square cm B. 94.985 square cm C. 34.54 square cm D. 379.94 square cm
Graph the quadratic function using its properties. Based on the graph determine the domain and range of the quadratic function.f(x) = -x2 + 8x - 7
A. domain: {x|-? < x < ?}
range: {y|y ? -9}
B. domain: {x|-? < x < ?}
range: {y|y ? 9}
C. domain: {x|-? < x < ?}
range: {y|y ? -9}
D. domain: {x|-? < x < ?}
range: {y|y ? 9}