1) Factor x3+64 a) (x+4)3 b) (x-4)3 c) (x+8)3 d) (x+4)(x2-4x+16) e) (x-4)(x2+4x+16) f) (x+4)(x2+4x+16) 2) Factor x2-10x+25 a) 5x(x-2+5) b) (x+5)(x-2) c) (x-5)2 d) (x-5)(x+2) e) (x+5)2 f) (x+25)2 3) what is the GCF of 4x, 12x2, 8x3? a) 4x2 b) 8x3 c) 12x d) 4x3 e) 4x f) 12x3 4) Factor x2-4 a) 2(x2-2) b) (x-2)2 c) (x+2)2 d) (x-2)(x2+2x+4) e) (x+2)(x2-2x+4) f) (x+2)(x-2) 5) Factor x2-3x-18 a) (x+2)(x-9) b) (x-6)(x+3) c) (x-2)(x+9) d) (x+6)(x-3) e) -3(x-3)(x+3) f) (x-9)2 6) 1/x? a) x≠0 b) x≠-1 c) x≠1 d) x≠-2 e) x≠-1/2 f) x≠1/2 7) (1+x)/(x-1)? a) x≠0 b) x≠-1 c) x≠1 d) x≠-2 e) x≠-1/2 f) x≠1/2 8) 1/(x2-1) a) x≠0 b) x≠1,-1 c) x≠2,-2 d) x≠1/2,-1/2 e) x≠-2, 3 f) x≠-3,2 9) 1/2x + 2/3x=? a) x b) x2 c) 1/2 d) 2/3 e) 7/6x f) 7/6x2 10) simplify 2x3/6 a) 1/3 b) 2/x3 c) x3/6 d) 2x3/6 e) 1 f) x3/3 11) what coordinate is in the quadrant 4? a) (1,-1) b) (0,0) c) (-1,1) d) (-2,-3) e) (3,2) f) (1,0) 12) What is the abscissa of this coordinate (2,1) a) 2 b) 1 c) 2,1 d) 0 e) 1,2 f) no answer 13) What is the ordinate of this coordinate (2,1) a) 2 b) 1 c) 2,1 d) 0 e) 1,2 f) no answer 14) which of the following is a undefined slope a) Increasing Slope b) Horizontal Slope c) Decreasing Slope d) Vertical Slope e) all the answer are correct f) no answer 15) which is the origin? a) (1,1) b) (-1,-1) c) (1,-1) d) (-1,1) e) (0,0) f) (x,y) 16) which is true when you substitute the following x+y=2 a) (1/2,2) b) (-1,-1) c) (1,-1) d) (-1,1) e) (0,0) f) (1,1) 17) which is true when you substitute the following x+y=5/2 a) (1/2,2) b) (-1,-1) c) (1,-1) d) (-1,1) e) (0,0) f) (1,1) 18) which of the following is the y intercept form? a) Ax+By=C b) Ax2+Bx+C=0 c) y-y1=m(x-x1) d) y=mx+b e) x= (-b±√b2-4ac)/2a f) m= (y2-y1)/(x2-x1) 19) which of the following is the standard form? a) Ax+By=C b) Ax2+Bx+C=0 c) y-y1=m(x-x1) d) y=mx+b e) x= (-b±√b2-4ac)/2a f) m= (y2-y1)/(x2-x1) 20) convert x+y=0 into y intercept form a) x=-y b) y=x c) x=y d) 0=-x-y e) y=-x f) 0=x+y 21) 3x+y=0 a) (-1,-3) b) (-3,1) c) (-3,-1) d) (0,1) e) (1,0) f) (-1,3) 22) 3x+y=1 a) (-1,-3) b) (-3,1) c) (-3,-1) d) (0,1) e) (1,0) f) (-1,3) 23) what method can you use to the value of x and y in system equation a) U-Substitution Method b) Elimination Method c) Slope Method d) Distance formula method e) Quadratic formula method f) Trigonometry Substitution Method (TSM) 24) x+y=0, x-y=1 a) x=1 y=1  b) x=-1 y=-1 c) x= 1/2 y= -1/2 d) x= -1/2y=1/2 e) x=1 y=0 f) x=0 y=0 25) 2x+2y=10, 2x+y = 6 a) x=1 y=1  b) x=-1 y=-1 c) x= 1/2 y= -1/2 d) x= 1y=4 e) x=1 y=0 f) x=0 y=0 26) which is the domain in this coordinates (1,2) a) 1 b) 2 c) 0 d) (1,2) e) -1 f) -2 27) what is the range in this coordinates (1,2) a) 1 b) 2 c) 0 d) (1,2) e) -1 f) -2 28) what is the range in this coordinates (3,2) a) 1 b) 3 c) 2 d) (3,2) e) -1 f) -2 29) what is the domain in this coordinates (3,2) a) 1 b) 2 c) 0 d) (3,2) e) -1 f) 3 30) what method can you use in graph to find if the given is a function a) Point method b) Substitute method c) Line method d) Slope method e) Vertical Method f) Horizontal Method

Mathematics 8

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