Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 + 18x = 0
A. Square root principle or factoring; -1, -18
B. Square root principle; 18, 0
C. Factoring; -18, 0
D. Quadratic formula; -18 ±
Answer: C
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Write an equation of the line.
A. y = 4x
B. y = 4x - 2
C. y = -4x - 2
D. y = x - 2
Plot the points with the given coordinates.A(- , -6), B(-1, 1)
What will be an ideal response?
Solve the problem.A croissant, a cup of coffee, and a fruit bowl from Kelley's Coffee Cart cost a total of $5.50, and a croissant costs twice as much as a cup of coffee. Kelley posts a notice announcing that, effective next week, the price of a croissant will go up 20% and the price of coffee will go up 20%. After the increase, the total price of the purchase will be $5.95. Find the cost of each item before the increase.
A. A fruit bowl costs $3.25, a croissant costs $0.90, and a cup of coffee costs $1.80.
B. A fruit bowl costs $3.25, a croissant costs $1.80, and a cup of coffee costs $0.90.
C.
A fruit bowl costs $3.25, a croissant costs $1.50, and a cup of coffee costs $0.75. |
D. The prices cannot be determined from the given information.
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 5|x|
A.
B.
C.
D.