SAT Subject Test Mathematics Level 1
To solve this equation for x, you do whatever necessary to both sides of the equation to get x all ...
UNKNOWN IN A DENOMINATOR The basic procedure for solving an equation is the same even when the unknown is ...
Before you can cross multiply, you need to express the right side of the equation as a single fraction. ...
The answer is (E). UNKNOWN IN AN EXPONENT The procedure for solving an equation when the unknown is in an expone ...
In this case, the base on the left is 8 and the base on the right is 16. They’re both powers of 2, ...
Don’t depend on backsolving too much. There are lots of math questions that can’t be backsolved at all. ...
Sometimes the left side may not be obviously factorable. You can always use the quadratic formula. Just plug ...
To solve an equation for one variable in terms of another means to isolate the one variable on one side ...
You want to get x on one side by itself. First thing to do is eliminate the denominator by multiplying both ...
answer. Solving simultaneous equations almost always involves combining equations, but you have to figure out wh ...
If you just plow ahead without thinking, you might try to answer this question by solving for one variable ...
INEQUALITIES To solve an inequality, do whatever is necessary to both sides to isolate the variable. Just ...
What does it mean if |2x – 3| < 7? It means that if the expression between the absolute value b ...
And here’s another general rule: To solve an inequality in the form |whatever|> p, where p > 0, just p ...
ax + bx = (a + b)x ax − bx = (a − b)x Multiplying Monomials (ax)(bx) = (ab)x^2 Multiplying Binomials—FOIL ...
a^2 + 2ab + b^2 = (a + b)^2 Quadratic Formula If ax^2 + bx + c = 0, then: Inequalities and A ...
Algebra Follow-Up Test 12 Minutes — 10 Questions Directions Solve the following problems. Select the best answe ...
(A) –2 (B) –1 (C) 1 (D) 2 (E) 25 2 . For all x, 2x + 2 x + 2x + 2 x = (A) 2 x+2 (B) 2 x+4 (C) 23 x (D) 24 x (E) 25 x 3 ...
(D) (E) 4 . When 3 x^3 − 7x + 7 is divided by x + 2, the remainder is (A) –5 (B) −3 (C) 1 (D) 3 (E) 5 5 . ...
(D) 3.4 (E) 3.8 7 . If (3x^2 )(9x)(3) = 27 and x > 0, what is the value of x? (A) 0.268 (B) 0.414 (C) 0.732 (D ...
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