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בית ספר תיכון
הכנה לבגרות 801
הכנה לבגרות 802 (שאלון 381)
הכנה לבגרות 803 (שאלון 382)
הכנה לבגרות 804 (שאלון 481)
הכנה לבגרות 805 (שאלון 482)
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מתמטיקה » בית ספר תיכון » שלב 3 - מודל ריבועי - קודקוד פרבולה
מתמטיקה » בית ספר תיכון » שלב 3 - מודל ריבועי - קודקוד פרבולה
אנו מצטערים, אבל Javascript חייב להיות מופעל בדפדפן שלך כדי להציג את אתר זה כמו שצריך.
אנא הפעל Javascript בדפדפנך.
חזור לרשימת נושאים
התחל לתרגל
חזור לרשימת נושאים
התחל לתרגל
תרגילים לדוגמא
ענו על השאלה הבאה:
דני זרק אבן כלפי מעלה.
הפונקציה הבאה מתארת את גובה האבן מעל הקרקע
כפונקציה של הזמן בשניות.
\[\begin{aligned} y= - x^2+7x+2 \end{aligned}\]
מצאו את שיעורי הנקודה הגבוהה ביותר שהגיעה האבן:
\[\begin{aligned} (\INPUTBOX{1}{ltr}{3.5},\INPUTBOX{2}{ltr}{14.25}) \end{aligned}\]
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ענו על השאלה הבאה:
אוטובוס נוסע במורד של כביש שצורתו פרבולה שמשוואתה:
\[\begin{aligned} y=2x^2-70x \end{aligned}\]
הכביש מתחיל בראשית הצירים,
ומסתיים בנקודה A שעל ציר ה-x.
ציר ה-x מייצג את המרחק במטרים
וציר ה-y מייצג את הגובה.
מצאו את שיעורי הנקודה הנמוכה ביותר בכביש:
\[\begin{aligned} (\INPUTBOX{1}{ltr}{17.5},\INPUTBOX{2}{ltr}{-612.5}) \end{aligned}\]
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ענו על השאלה הבאה:
פרפר עף מצמרתו של עץ אל הנקודה A בצורה של פרבולה:
\[\begin{aligned} y= - x^2+2x+8 \end{aligned}\]
מצאו את שיעורי הנקודה הגבוהה ביותר שהגיע הפרפר:
\[\begin{aligned} (\INPUTBOX{1}{ltr}{1},\INPUTBOX{2}{ltr}{9}) \end{aligned}\]
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ענו על השאלה הבאה:
דנה רכבה באופניה על מסלול בצורת פרבולה שמשוואתה היא:
\[\begin{aligned} y=0.4x^2-1.2x \end{aligned}\]
המסלול מתחיל בראשית הצירים,
ומסתיים בנקודה A.
ציר ה-x מייצג את המרחק וציר ה-y מייצג את הגובה.
מצאו את שיעורי הנקודה הנמוכה ביותר במסלול:
\[\begin{aligned} (\INPUTBOX{1}{ltr}{1.5},\INPUTBOX{2}{ltr}{-0.9}) \end{aligned}\]
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0)","selectedFillColor":"rgba(0, 0, 0, 0)","selectedStrokeColor":"rgba(36, 109, 230, 0.85)","correctColor":"rgba(92, 198, 12, 1)","wrongColor":"rgba(174, 29, 29, 1)","highlightCompositeOperation":"multiply"}],"background":"rgb(255,255,255)","chart_type":"drawing-board","width":"260","height":"160","border":"0px none rgb(51, 51, 51)","direction":"ltr","name":"לוח חדש","quiz_passing_score":"0","quiz_score_op":"eq"}
ענו על השאלה הבאה:
אוטובוס נוסע במורד של כביש שצורתו פרבולה שמשוואתה:
\[\begin{aligned} y=4x^2-100x \end{aligned}\]
הכביש מתחיל בראשית הצירים,
ומסתיים בנקודה A שעל ציר ה-x.
ציר ה-x מייצג את המרחק במטרים
וציר ה-y מייצג את הגובה.
מצאו את שיעורי הנקודה הנמוכה ביותר בכביש:
\[\begin{aligned} (\INPUTBOX{1}{ltr}{12.5},\INPUTBOX{2}{ltr}{-625}) \end{aligned}\]
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