Decide whether the statement is true or false. If it is false, tell why.If k = 0, then x2 = k will have exactly one real solution.
A. True
B. False; the equation will have two real solutions.
C. False; the equation will have no real solution.
Answer: A
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Find fraction notation and simplify.69.
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A. 
B. 
C. 
D. 
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the pH if [H3O+] = 4.1 × 10-9.
A. 8.6 B. 9.6 C. 8.4 D. 9.4
Solve.The voltage in a circuit is the product of two factors, the resistance in the circuit and the current. If the voltage in a circuit is described by the expression 
find the expressions for the current and resistance. (The expression for the current will contain i and the expression for resistance will contain r.)
A. current: 27i + 1, resistance: r + 28 B. current: 3i - 4, resistance: 9r + 7 C. current: 3i + 4, resistance: 9r + 7 D. current: 3i + 4, resistance: 9r - 7
Evaluate the expression without using a calculator, and write your answer in radians.
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What will be an ideal response?