1. The square of a number equals nine times that number. Find the number. A. O or 2 C. O or 6 B. O or 3 D. O or 9 2. The area of a square is 4x2 + 12x + 9 square units. Which expression represents the length of the side? A. (3x + 2) units C. (4x + 9) units B. (2x + 3) units D. (4x + 3) units 3. Forty-nine less than the square of a number equals zero, Find the number, A. -3 or 3 C. -13 or 13 B. -7 or 7 D. O or 9 4. The area of triangle is 80 cm². If the height of the triangle is 6 cm less than its base, find the base and its height. A. b = 20 cm, n = 16 cm C. b = 35 cm, h = 31 cm B. b = 10 cm, 2, h = 6 cm D. b = 16 cm, h = 10 cm 5. Suppose that four times the square of a number equals 20 times that number. What is the number? A. O or 1 C. O or 10 B. O or 5 D. O or 20 - 6. If the area of the square is (4x2 - 4x + 1) cm?, what is the measure of its side? A. (-2x + 1) cm C. (4x - 2) cm B. (- 4x + 1) cm D. (2x - 1) cm 7. The product of two consecutive integers is 90. Find the integers. A. -5 and --4 or 4 and 5 C. -13 and -12 or 12 and 13 B. -10 and -9 or 9 and 10 D. -18 and -17 or 17 and 18
please help po for God​