Use the square root method to solve the equation. 7z2 + 2 = 849

A. 11
B. 424.5
C. ±11
D. ±12


Answer: C

Mathematics

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Factor the polynomial completely.8y2 + 36y - 20

A. (8y - 4)(y + 5) B. 4(2y + 1)(y - 5) C. prime D. 4(2y - 1)(y + 5)

Mathematics

Find the product.7x(x + 7)(x - 2)

A. 7x2 + 35x - 98 B. 7x3 + 98x2 - 98x C. 7x3 + 63x2 - 98x D. 7x3 + 35x2 - 98x

Mathematics

Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x - 6)2 + 1

A. vertex (1, 6)
axis of symmetry: x = 1

B. vertex (-6, 1)
axis of symmetry: x = -6
 
C. vertex (6, 1)
axis of symmetry: x = 6
 
D. vertex (-1, -6 )
axis of symmetry: x = -1
 

Mathematics

Determine whether the number is prime, composite, or neither.1

A. Composite B. Prime C. Neither

Mathematics