Sat_数学考试试题(12)

发布时间:2021-06-06

Sat 数学历年真题

endpoints. To get the length, subtract the smaller one from the larger one, in this case:

6 - (-4) = length of CD 6 + (4) = length of CD

10 = length of CD Subtracting a negative is just like adding the number.

Bring it all together. What are we looking for? t. What do we now know?

AB=CD AB=3-t CD=10

Plug and chug. AB = CD 3-t = 10 3-t -3 = 10 -3

-t = 7 -(-t) = -7 t = -7 This makes sense, because point B is below the x-axis, so it must be negative. Answer C is correct. Test 1 Section 3 Question 7 Dreaded Algebra.

Know the Order of Operations: Please Excuse My Dear Aunt Sally or PEMDAS. If you don’t know it, Google it, and write it down 10 times every night until you know it.

Let’s write our given: 3x2 = 4yiii

What are we looking for? The value of x2 y.

This problem looks tricky, but it’s not. Separate the problem into two equations.

3x2 = 12 AND 4y = 12 Simplify:

y

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