Test: SAT Math

1.

2x + 3y = 5a + 2b        (1)

3x + 2y = 4a – b           (2)

Express x– y2 in terms of a and b

(–9a– 28ab –3b2) / 5

–〖9a〗+ 26ab –〖3b〗2) / 5

–〖9a〗+ 27ab +〖3b〗2) / 5

(–9a– 27ab +3b2) / 5

〖–9a〗+ 26ab +〖3b〗2) / 5

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