Eliminate the parameter.x = t + 4, y = t2
A. y = + x + 4
B. y = x2 + 16
C. y =
D. y = x2 - 8x + 16
Answer: D
Mathematics
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Factor completely.x3 - x2 - 56x
A. (x2 + 1)(x - 56) B. x(x + 7)(x - 8) C. prime D. x(x + 8)(x - 7)
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Using the addition/subtraction method, find the value of x and y to satisfy the following equations: 5x - 5y = 8; 7x - 5y = 20
a. x = -6 y = -4.4 b. x = 6 y = 4 c. x = 4.4 y = 6 d. x = 6.4 y = 4 e. x = 6 y = 4.4
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Between each pair of numbers, insert the appropriate sign, <, =, or >, to make a true statement.1.6 1.75
A. 1.6 > 1.75 B. 1.6 = 1.75 C. 1.6 < 1.75
Mathematics
Solve the equation.|x2 - 4x + 4|= 2
A. {2 - }
B. {2 + }
C. {2 - , 2 +
}
D. no solution
Mathematics