These are called perpendicular lines. The slopes of the graphs in each of these cases have a special relationship to each other.Parallel lines are two or more lines in a plane that never intersect. Examples of parallel lines are all around us, such as the opposite sides of a rectangular ...
How do we know when two lines are parallel?Their slopes are the same!The slope is the value m in the equation of a line: y = mx + bExample: Find the equation of the line that is: parallel to y = 2x + 1 and passes though the point (5,4) The slope of y = 2x + 1 is 2...
Slopes of Parallel and Perpendicular Lines: A Visual Justification.The article presents a lesson plan for secondary education which teaches students the slopes of parallel and perpendicular lines.Wallace-GomezPatriciaMathematics Teacher
By the parallel line formula, for lines to be parallel, their slopes are equal. Therefore, the slope of every line parallel to this line would have to be m = -12 Answer:Hence, the slope of the line parallel to the given line is -12....
We have two types of lines: Parallel and Perpendicular lines. If we have two parallel lines (lines that never meet), then the slope of these lines must be equal and if we have two perpendicular lines (lines that make a right angle) then the product of their slopes must ...
Slope Properties for Parallel and Perpendicular Lines Jill just learned about the relationship between slopes of parallel and perpendicular lines in math class, and Jill's teacher has asked her to prove these properties for homework. Jill is still confused by what she was taught and doesn't under...
Quiz: Slopes of Parallel and Perpendicular Lines Points with coordinates (–9, –3) and (11, 4) lie on linel. Which of the following depicts the slope of a line perpendicular to linel? 1/3 Next PreviousSlopes of Parallel and Perpendicular Lines NextEquations of Lines...
Tell whether the lines for the pair of equations are parallel, perpendicular, or neither. y = -3 / 4 x + 2 3 x - 4 y = -8. How can you determine if two lines are perpendicular or parallel using their slopes? The equations of two lines are given...
MATHPOWER TM 10,WESTERNEDITION Chapter6CoordinateGeometry 6.7 6.7.1 ParallelLines A(-3,0) B(0,5) C(0,-5) D(3,0) m AB 5 0 0 3 m CD 0 5 3 0 m CD 5 3 m AB 5 3 Iftheslopesoftwolinesare equal,thelinesareparallel. Iftwolinesareparallel, theirslopesareequal. ABisparalleltoCD...
百度试题 结果1 题目Two lines of slopes m_1 and m_2 are parallel if ( ) A. m_1=m_2 B. m_1≠q m_2 C. m_1⋅ m_2=1 D. m_1⋅ m_2=-1 相关知识点: 试题来源: 解析 A 反馈 收藏