Solve the quadratic equation by any method.7x2 + 10x = - 2
A. -10
B. 
C. 7, 14
D. -5, 0
Answer: B
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Use the following definitions to determine if the statement is true or false. N = {x : x is a natural number}I = {x : x is an integer}R = {x : x is a real number}W = {x : x is a whole number}Q = {x : x is a rational number}W is a proper subset of I, Q, N, and R.
A. True B. False
Combine like terms.-7.9(3r + 10) + 7.1(7r + 7)
A. 26r - 29.3 B. -4.9r + 2.1 C. -102.7r D. 26r + 10
Which system of inequalities matches the given calculator-generated graph?
A. y > -x2 + 5 y < 2 B. y < -x2 + 5 y > 2 C. y > -x2 + 5 y > 2 D. y < -x2 + 5 y < 2
Determine whether the expression is a polynomial. If it is, state how many terms and variables the polynomial contains. Then state its degree.5x-1y-3 - 4y
A. Yes; 2; 2; 4 B. Yes; 2; 2; -4 C. Yes; 1; 1; -3 D. No