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Introduction to Polynomials: Practice 3

Section A: Core Practice

Question 1mcq
Which ordered pair satisfies the equation 2x+y=92x+y=9?
A.(2,4)(2,4)
B.(3,3)(3,3)
C.(5,1)(5,1)
D.(1,5)(1,5)
Question 2mcq
For the line y=3x−1y=3x-1, what are the slope and yy-intercept?
A.Slope 33, y-intercept −1-1.
B.Slope −1-1, y-intercept 33.
C.Slope 3x3x, y-intercept 00.
D.Slope 22, y-intercept −1-1.
Question 3mcq
Solve the equation 2x+7=132x+7=13.
A.1313
B.22
C.44
D.33
Question 4mcq
The equations x+y=8x+y=8 and x−y=2x-y=2 are solved together. What is the value of xx?
A.66
B.33
C.55
D.44
Question 5mcq
What is the value of 2x2−3x+12x^{2}-3x+1 when x=4x=4?
A.−3-3
B.2121
C.4545
D.2323

Section B: Application Practice

Question 6mcq
Factorise x2−16x^{2}-16.
A.(x−4)(x+4)(x-4)(x+4)
B.(x−4)2(x-4)^{2}
C.(x+4)2(x+4)^{2}
D.x(x−4)x(x-4)
Question 7mcq
Solve the equation 2x+3=92x+3=9.
A.99
B.22
C.44
D.33
Question 8mcq
The equations x+y=8x+y=8 and x−y=2x-y=2 are solved together. What is the value of xx?
A.66
B.33
C.55
D.44
Question 9mcq
Which ordered pair satisfies the equation 2x+y=92x+y=9?
A.(2,4)(2,4)
B.(3,3)(3,3)
C.(5,1)(5,1)
D.(1,5)(1,5)
Question 10mcq
For the line y=3x−3y=3x-3, what are the slope and yy-intercept?
A.Slope 33, y-intercept −3-3.
B.Slope −3-3, y-intercept 33.
C.Slope 3x3x, y-intercept 00.
D.Slope 00, y-intercept −3-3.