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Hogar Banco de preguntas Matemáticas Álgebra Archive 2025 January 31

Algebra Questions from Jan 31,2025

Browse the Algebra Q&A Archive for Jan 31,2025, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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(4) First, rewrite the expression by combining like terms. Simplify the following expression: Q. Solve using the quadratic formula. What are , and ? What is the discriminant? After using the quadratic formula, what are the values of ? \begin{tabular}{l} Question 6(Multiple Choice Worth 1 points) \\ ( 01.03 LC) \\ Rich and Aylen are saving money to buy baseball tickets. Rich has \( \$ 5 \) more than 3 times the amount of money Aylen has. Together, they have \( \$ 101 \). Write an equa \\ much money Rich and Aylen have together. \\ \begin{tabular}{l} O \( 3 x+5=101 \) \\ \hline Ox \( x+3 x-5=101 \) \\ \hline\( -3 x+5=101 \) \\ \hline\end{tabular} \\ \hline\end{tabular} In the equalions below, b and c represent the price per pound, in dollars, of beef and chicken, respectively, a weeks after July 1 during last surnmer. What was the price per pound of heef when it was equal to the price per pound of chicken? 82.85 52.80 18.35 82.95 Solve using the quadratic formula. What are a, , and ? What is the discriminant? After using the quadratic formula, what are the values of x ? Choose the missing step in the given solution to the inequality . \begin{tabular}{l}\( -2 x-14>-4+3 x \) \\ \( -5 x-14>-4 \) \\ \hline\( -5 x<-2 \) \\ \( -5 x>-5 x>18 \)\end{tabular} A dolphin jumps out of the water. The quadratic function models the dolphin's height above the water after seconds. How long is the dolphin out of the water? (Hint: the height of water should be 0 .) (A) 1.25 seconds (B) 1 second (C) 0.5 seconds (D) 2 seconds Question 3(Multiple Choice Worth 1 points) (01.05 MC) Zoya has to eam at least to meet her fundraising goal. She has only 100 bracelets that she plans to sell at each. Which inequality shows the number of bracel sell to meet her goal? \begin{tabular}{l} Samantha wants to use her savings of \( \$ 1,150 \) to buy shirts and watches for her family. The total price of the shirts she bought was \( \$ 84 \). The wa \\ inequality that would be used to solve for the maximum number of watches Samantha can buy with her savings. \\ \( \begin{array}{l}99+84 x \leq 1,150 \\ 99 x+84 \geq 1,150 \\ 99 x+84 \leq 1,150 \\ 99+84 x \geq 1,150\end{array} \) \\ \hline\end{tabular}
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