If it is college prep or AP physics, then yes, actually you also need trigonometry, math analysis and at least be co-enrolled in The Calculus or understand differentials or you won't even get past Newtonian Mechanics, usually the first topic you will encounter in a physics class. There may be historically-based general physics classes that simply require you to learn the names and the discoveries and theories along with general descriptions, but if you have to solve problems based on motion, gravity, optics, electromagnetism and so on, then you need to learn as much math as you possibly can.
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In many schools, geometry comes before algebra 2. You can ask your school if you can take geo online or at your own time. If you plan to take algebra 2 and trig, it is helpful to take geo.
I think you need to understand algebra 2 before you begin trigonometry
In a way yes, Algebra 2 is essential in order for you to comprehend topics which will be in algebra. Such as finding the slope of perpendicular lines and parallel lines, those topics are presented to you in Algebra 2 and if you understand them at least 45% then by the time you get to college algebra that knowledge will be reinforced
It depends a little on where you are attending school and what courses you have already completed. Usually, Geometry is standard for 10th graders. You usually take geometry after you take Algebra 1 in 9th grade. However, I took Algebra 1 in 8th grade, Geometry in 9th, and Algebra 2 in 10th. So, if you're a little behind in math, you might take Algebra 1. If you're average, you might take Geometry. If you're ahead, you might take Algebra 2.
yes you would have to because that would be the full course of algebra just at a slower and easier pace