SAT Subject Test Mathematics Level 1
21 (D) a^2 − 6a + 2 (E) 2 a − 13 48 . Given point A(−3,−8), if the midpoint of segment AB is (1,−5), what ...
50 . Figure 9 Given right triangle RST in Figure 9, what is the length of , to the nearest hundredth? (A) 12 ...
Answer Key PRACTICE TEST 4 1 . A 2 . D 3 . B 4 . E 5 . A 6 . B 7 . B 8 . D 9 . D 10 . ...
23 . E 24 . A 25 . C 26 . C 27 . C 28 . A 29 . A 30 . E 31 . D 32 . A 33 . E 34 . C 35 . ...
Answers and Explanations PRACTICE TEST 4 1 . A First, eliminate choice (E), since it is a linear equatio ...
tangent function to find the distance. The tangent of the angle is equal to the ratio of the lengths of Set ...
6 . B To solve this problem, sketch an “unfolded” drawing of this solid: Opposite faces of a rectang ...
8 . D Draw the triangle on the coordinate plane, as shown. ...
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This is a right triangle, with one side on the line x = 2. As shown, when this triangle is rot ...
3 . The equation of the line is y = 2x + 3. The line perpendicular to this line has a slope that ...
Since the inverse becomes 14 . A Rewrite the equation to be x^3 = 125. Take the cube root of bo ...
18 . A Express the first factor, with the common denominator of x, to get Factor the numerator: When this fac ...
20 . B First, apply the power rule to the numerator: (8x^2 y^3 )^3 z^2 = 83 x2×3y3×3z^2 . This simplifies to ...
23 . E Solve the second equation for y by adding y and subtracting 5 from both sides to get y = x − ...
The section marked I indicates the start of the trip. Section II represents the increase in speed; speed is t ...
26 . C It helps to draw a Venn diagram of the problem situation: As shown in the diagram, add up the num ...
Cross multiply to get 27(2x + 3) = 40 , or 54 x + 81 = 40. Subtract 81 from both sides and ...
Combine like terms and subtract 3 from both sides to get 3 x = 24; divide both sides by 3 to g ...
This is the hypotenuse of a right triangle with legs of length 3 and 4. Use the Pythagorean theorem: ...
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