Al Zuhour Pvt School Mathematics Department Diagnostic Test Grade 12 pre-calculus Name: ______________________ Class: ______________________ 𝑥2 50 Grade 12 Diagnostic Test Standard Code : N.CN Question 1: Find the solutions of the equation 8𝑥 2 + 30 = 6 in simplest form A. ±√3 B. ±3 C. ±i√3 D. ±3i Standard: N.CN.1,2 DOK: 1 Points: /2 Question 2: What is the number of solutions of the equation 𝑥 2 + 8𝑥 + 6 = 0 by using Discriminant? A. Two non-real solutions B. One real solution Standard: N.CN.1,2 C. 2 real solutions DOK: 2 D. 3 real solutions Points: /2 Question3: Solve the equation 𝑥 2 + 16𝑥 + 106 = 6 by completing the Square method. A. ±6I B. 6 ±8i Standard: N.CN.1,2 C. ±10 DOK: 2 D. -8 ±6i Points: /3 Standard Code : F.IF Question4: Identify vertical Asymptotes and holes of f(x) = A vertical asymptote at x= 1 and hole at x=-2 𝑥 2 −2𝑥−8 𝑥 2 +𝑥−2 Standard: F.IF-7,F.IF.5 DOK: 2 Points: /4 B vertical asymptote at x= 2 and hole at x=-1 C vertical asymptote at x=-1 and hole at x=2 D vertical asymptote at x= -1 and hole at x= 4 1 Question 5: State the Domain of the expression Standard: F.IF-7, F.IF.5 DOK: 2 Points: /3 8𝑥−24 𝑥 2 +7𝑥−30 A. (-∞ , ∞) B. x ≠ 3, -10 C. (3, -10) D. (-10 , ∞) Question6: 1 What are the Horizontal and vertical asymptotes of the graph of g(x) = 5( ) + 7 𝑥−2 A. x=5 , y=-2 B. x=7 , y=2 Standard: F.IF.7 C. x=2 , y=7 DOK: 1 D. x=-2 , y= -7 Points: /3 Standard Code : F.BF Question7: Write g(x) = A g(x)= B g(x)= C g(x)= 4 3𝑥+19 4 𝑥+5 3 𝑥+5 4 D g(x)= 3𝑥+19 𝑥+5 𝑥+5 in g(x) = a( 1 𝑥−ℎ ) + 𝑘 form +3 −3 Standard: F.BF.3 DOK: 2 Points: /3 +4 +3 Standard Code : F.TF Question 8: Write in Degrees the measure of the angle A. 405° B. -350° C. 225° D. -405° −9𝜋 4 Standard: F.TF.1,2 DOK: 2 Points: /2 2 Question 9: What the positive and negative co-terminal angles from the options A. -123, 455 B. -222, 498 C. -310,114 D. -122,389 Standard: F-TF.3 DOK: 2 Points: /2 Question10: .Use the given point to find the value of tan 𝜃 A. -6 3 B. 4 C. -8 D. -0.75 Standard: F.TF.3 DOK: 1 Points: /2 Question11: 𝟑𝝅 Given that sin θ = −0.442 where < 𝜽 < 𝟐𝝅 𝟐 find cos θ. If necessary, round to 3 decimal places. A. -0.978 B. 0.235 C. 0.897 D. -0.789 Standard: F-TF.6 DOK: 2 Points: /3 3 Question12: You are measuring the height of a Sitka spruce tree in Alaska. You stand 45 feet from the base of the tree. You measure the angle of elevation from a point on the ground to the top of the top of the tree to be 59°. To estimate the height of the tree, you can write a trigonometric ratio that involves the height h and the known length of 45 feet. A. 75.9 B. 25.7 C.69.3 D. 48.6 Standard: F.TF.7 DOK: 2 Points: /2 Question13: Identify the equation of the given graph. 3 1 A. y= 4 sin 2 𝑥 3 1 B. y=4 cos 2 𝑥 C. y=– 0.75 cos 2x 3 D. 𝑦 = 4 sin 2𝑥 Standard: F.TF.5,6,7 DOK: 3 Points: /3 Question14: Which quadrant that sine and cosine are negative. A. B. C. D. Ⅰ Ⅱ Ⅲ Ⅳ Standard: F.TF.8 DOK: 1 Points: /2 4 Question15: Standard: F.TF.7,8 DOK: 3 Points: /3 A.25.6 B.30.75 C.19.75 D.27.5 Standard Code : A-APR Question16: Find the quotient of the expression A.(X-2) 𝑥 2 +4𝑥 𝑥−2 𝑥 2 +2𝑥−8 ÷ 𝑥 2 −2𝑥−8 𝑥 2 +2 B. 𝑋+2 Standard: A-APR.6,7 DOK: 2 Points: /4 𝑋+2 C.𝑋−2 𝑋(𝑋+2) D. (𝑋−2)2 Question17: Find the sum of A. B. C. D. 3𝑋+1 𝑥−1 𝑥 2 −𝑥 + 𝑥+2 𝑥+1 in simplest form . 𝑋+1 𝑥 2 +3𝑋+1 𝑋(𝑋+1) Standard: A-APR.7 DOK: Points: /4 𝑥 2 −3𝑋−1 𝑥 2 +1 𝑥 2 +3𝑋−1 𝑋−1 5 Standard Code : A-SSE Question18: A. B. C. 8 𝑥+1 40 𝑥(𝑥+1) 40 𝑋(𝑋+8) D. Standard: A.SSE.1, 2A.CED.1, DOK: 3 Points: /3 8 𝑋(𝑋+40) 6