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โ† SetsMathematics โ€” Set 8
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Mathematics Practice Questions โ€” Set 8

10 free Mathematics reviewer questions with answers and explanations. Pindutin ang sagot mo para makita agad kung tama โ€” kasama na ang paliwanag. Set 8 of 9.

71

If r and s are the roots of the quadratic equation 2xยฒ - 8x + 3 = 0, what is the value of (1)โ„(r) + (1)โ„(s)?

72

Given f(x) = 2x - 1 and g(x) = xยฒ + 1. What is the value of f(g(2)) - g(f(2))?

73

Three apples and two bananas cost โ‚ฑ78.00. Two apples and three bananas cost โ‚ฑ72.00. What is the combined cost of one apple and one banana?

74

Ana is 3 ร— as old as Ben. In 5 years, Ana will be twice as old as Ben. How old is Ana now?

75

How many integer solutions does the inequality |3x - 1| < 10 have?

76

What is the value of 2ยน00 - 2โน9?

77

A circle is perfectly inscribed within a square. What is the ratio of the area of the circle to the area of the square?

78

What is the area, in square units, of the polygon formed by the vertices (0, 0), (5, 0), (5, 6), and (0, 10)?

79

The surface area of a cube is 54 square centimeters. What is its volume in cubic centimeters?

80

A circle with a radius of 2 units is inscribed in a square. What is the area of the shaded region (the four corners of the square not covered by the circle)?